What changed in this filing

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Item 9A. Controls and Procedures

2026-02-17 compared with 2025-02-14 · 94 added, 87 removed, 453 unchanged (29% of the section changed)

16 unchanged sentences

During the quarter ended December 31, 2025, none of the Company’s directors or officers adopted , modified, or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as such terms are defined under Item 408 of Regulation S-K.

No additional information is required to be disclosed under this item as of December 31, 2024, as this information has been previously disclosed in applicable reports on Form 8-K during the fourth quarter of 2024.

Directors, Executive Officers and Corporate Governance

24 unchanged sentences

(2) The weighted-average exercise price does not take into account restricted share units or performance shares, which have no exercise price.

(3) Securities set forth in this table are authorized for issuance under compensation plans that have been approved by shareholders of Eversource Energy.

(3) As of December 31, 2025, there were no equity compensation plans not approved by security holders.

For information regarding our Incentive Plans, see Note 11C, "Employee Benefits - Share Based Payments," to the financial statements.

91 unchanged sentences

Total Liabilities and Capitalization $ 29,251,887 $ 28,331,335

See the Combined Notes to Financial Statements in this Annual Report on Form 10-K for a description of significant accounting matters related to Eversource parent, including the pending sale of Aquarion as described in Note 24, “Assets Held for Sale,” Eversource common shares information as described in Note 18, "Common Shares," material obligations and guarantees as described in Note 13, "Commitments and Contingencies," and debt agreements as described in Note 8, "Short-Term Debt," and Note 9, "Long-Term Debt."

See the Combined Notes to Financial Statements in this Annual Report on Form 10-K for a description of significant accounting matters related to Eversource parent, including the sale status of Aquarion as described in Note 24, “Assets Held for Sale,” Eversource common shares information as described in Note 18, "Common Shares," material obligations and guarantees as described in Note 13, "Commitments and Contingencies," and debt agreements as described in Note 8, "Short-Term Debt," and Note 9, "Long-Term Debt."

EVERSOURCE ENERGY (PARENT)

6 unchanged sentences

Operating Expenses:

Acquisition and Integration Costs Allowed for Recovery ( 82,346 ) — —

Other 10,458 20 12,769

1 unchanged sentence

Total Operating Expenses ( 71,888 ) 297,020 12,769

Operating Loss ( 292,578 ) ( 11,929 ) ( 26,708 )

Operating Income/(Loss) 73,955 ( 292,578 ) ( 11,929 )

Interest Expense 548,723 549,511 397,281

16 unchanged sentences

Qualified Cash Flow Hedging Instruments 20 20 20

Changes in Unrealized Gains/(Losses) on Marketable Securities — 1,252 ( 1,636 )

Changes in Unrealized Gains on Marketable Securities — — 1,252

Changes in Funded Status of Pension, SERP and PBOP Benefit Plans 5,945 7,245 4,412

1 unchanged sentence

Comprehensive Income/(Loss) $ 1,698,337 $ 818,918 $ ( 436,556 )

See the Combined Notes to Financial Statements in this Annual Report on Form 10-K for a description of significant accounting matters related to Eversource parent, including the sale status of Aquarion as described in Note 24, “Assets Held for Sale,” Eversource common shares information as described in Note 18, "Common Shares," material obligations and guarantees as described in Note 13, "Commitments and Contingencies," and debt agreements as described in Note 8, "Short-Term Debt," and Note 9, "Long-Term Debt."

EVERSOURCE ENERGY (PARENT)

6 unchanged sentences

Net Income/(Loss) $ 1,692,372 $ 811,653 $ ( 442,240 )

Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:

Adjustments to Reconcile Net Income/(Loss) to Net Cash Flows Provided by Operating Activities:

Equity in (Earnings)/Losses of Subsidiaries ( 1,923,453 ) ( 1,359,297 ) 312,040

5 unchanged sentences

Accounts Receivables from Subsidiaries ( 32,527 ) ( 40,129 ) ( 6,853 )

Accounts Receivable from EGMA for Acquisition and Integration Costs Allowed for Recovery ( 82,346 ) — —

Taxes Receivable/Accrued, Net 86,083 22,464 ( 80,968 )

15 unchanged sentences

Other Financing Activities ( 6,241 ) ( 24,539 ) ( 13,076 )

Net Cash Flows Provided by Financing Activities 779,526 1,547,634 1,467,082

Net Increase/(Decrease) in Cash and Restricted Cash 541 ( 432 ) 821

Net Cash Flows (Used in)/Provided by Financing Activities ( 891,937 ) 779,526 1,547,634

Net (Decrease)/Increase in Cash and Restricted Cash ( 894 ) 541 ( 432 )

Cash and Restricted Cash - Beginning of Year 1,156 615 1,047

4 unchanged sentences

Income Taxes $ ( 171,114 ) $ 443 $ 23,984

See the Combined Notes to Financial Statements in this Annual Report on Form 10-K for a description of significant accounting matters related to Eversource parent, including the sale status of Aquarion as described in Note 24, “Assets Held for Sale,” Eversource common shares information as described in Note 18, "Common Shares," material obligations and guarantees as described in Note 13, "Commitments and Contingencies," and debt agreements as described in Note 8, "Short-Term Debt," and Note 9, "Long-Term Debt."

EVERSOURCE ENERGY AND SUBSIDIARIES

36 unchanged sentences

(A) Eversource Energy

3.1 Declaration of Trust of Eversource Energy, as amended through May 3, 2017 (Exhibit 3.1, Eversource Form 10-Q filed on May 5, 2017)

3.1 Declaration of Trust of Eversource Energy, as amended through May 1, 2025 (Exhibit 3.1, Eversource Energy Current Report on Form 8-K filed on May 1, 2025, File No.

(B) The Connecticut Light and Power Company

3.1 Amended and Restated Certificate of Incorporation (Exhibit 3(i), CL&P Current Report on Form 8-K filed on January 9, 2012, File No.

3.2 By-laws of CL&P, as amended and restated effective September 29, 2014 (Exhibit 3.1, CL&P Current Report on Form 8-K filed October 2, 2014, File No.

3.2 By-laws of CL&P, as amended and restated effective September 29, 2014 (Exhibit 3.1, CL&P Current Report on Form 8-K filed on October 2, 2014, File No.

3.1 Restated Articles of Organization of NSTAR Electric Company, fka Boston Edison Company (Exhibit 3.1, NSTAR Electric Form 10-Q for the Quarter Ended June 30, 1994 filed August 12, 1994, File No.

3.2 Bylaws of NSTAR Electric Company, as amended and restated effective September 29, 2014 (Exhibit 3.1, NSTAR Electric Current Report on Form 8-K filed October 2, 2014, File No.

3.1 Restated Articles of Organization of NSTAR Electric Company, fka Boston Edison Company (Exhibit 3.1, NSTAR Electric Quarterly Report on Form 10-Q for the Quarter Ended June 30, 1994 filed on August 12, 1994, File No.

3.2 Bylaws of NSTAR Electric Company, as amended and restated effective September 29, 2014 (Exhibit 3.1, NSTAR Electric Current Report on Form 8-K filed on October 2, 2014, File No.

(D) Public Service Company of New Hampshire

3.1 Articles of Incorporation, as amended to May 16, 1991 (Exhibit 3.3.1, 1993 PSNH Form 10-K filed March 25, 1994, File No.

3.2 By-laws of PSNH, as in effect June 27, 2008 (Exhibit 3, PSNH Form 10-Q for the Quarter Ended June 30, 2008 filed August 7, 2008, File No.

3.1 Articles of Incorporation, as amended to May 16, 1991 (Exhibit 3.3.1, PSNH Annual Report on Form 10-K filed on March 25, 1994, File No.

3.2 By-laws of PSNH, as in effect June 27, 2008 (Exhibit 3, PSNH Quarterly Report on Form 10-Q for the Quarter Ended June 30, 2008 filed on August 7, 2008, File No.

Instruments defining the rights of security holders, including indentures

(A) Eversource Energy

4.1 Indenture between Eversource Energy and The Bank of New York as Trustee dated as of April 1, 2002 (Exhibit A-3, Eversource Energy 35-CERT filed April 16, 2002, File No.

4.1.1 Seventh Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of March 7, 2016, relating to $250 million of Senior Notes, Series J, due 2026 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed March 15, 2016, File No.

4.1.2 Tenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of January 1, 2018, relating to $450 million of Senior Notes, Series M, Due 2028 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed January 12, 2018, File No.

4.1.3 Eleventh Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of December 1, 2018, relating to $400 million of Senior Notes, Series N, Due 2023 and $500 million of Senior Notes, Series O, Due 2029 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed December 18, 2018, File No.

4.1.4 Twelfth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of January 1, 2020, relating to $650 million of Senior Notes, Series P, Due 2050 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed January 16, 2020, File No.

4.1.5 Thirteenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of August 1, 2020, relating to $300 million aggregate principal amount of Senior Notes, Series Q, Due 2025 and $600 million aggregate principal amount of Senior Notes, Series R, Due 2030 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed August 20, 2020, File No.

4.1.6 Fourteenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of March 1, 2021, relating to $350 million aggregate principal amount of Senior Notes, Series S, Due 2031 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed March 16, 2021, File No.

4.1.7 Fifteenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of August 1, 2021, relating to $350 million aggregate principal amount of Floating Rate Senior Notes, Series T and $300 million aggregate principal amount of Senior Notes, Series U, Due 2026 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed August 13, 2021, File No.

4.1.8 Sixteenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of February 1, 2022, relating to $650 million aggregate principal amount of Senior Notes, Series V, Due 2027 and $650 million aggregate principal amount of Senior Notes, Series W, Due 2032 ( Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed February 25, 2022, File No.

4.1.9 Seventeenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of June 1, 2022, relating to $900 million aggregate principal amount of Senior Notes, Series X, Due 2024 and $600 million aggregate principal amount of Senior Notes, Series Y, Due 2027 ( Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed June 27, 2022, File No.

4.1.10 Eighteenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of March 1, 2023, relating to $1.3 billion aggregate principal amount of Senior Notes, Series Z, Due 2028 ( Exhibit 4.1, Eversource Energy Current Report on Form 8‑K filed March 6, 2023, File No.

4.1.11 Nineteenth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of May 1, 2023, relating to $450 million aggregate principal amount of Senior Notes, Series AA, Due 2026 and $800 million aggregate principal amount of Senior Notes, Series BB, Due 2033 ( Exhibit 4.3, Eversource Energy Current Report on Form 8‑K filed May 11, 2023, File No.

4.1.12 Twentieth Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of November 1, 2023, relating to $800 million aggregate principal amount of Senior Notes, Series CC, Due 2029 ( Exhibit 4.1, Eversource Energy Current Report on Form 8‑K filed November 13, 2023, File No.

4.1.13 Twenty-First Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of January 1, 2024, relating to $350 million aggregate principal amount of Senior Notes, Series DD, Due 2027 and $650 million aggregate principal amount of Senior Notes, Series EE, Due 2034 ( Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed January 19, 2024, File No.

4.1.14 Twenty-Second Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of April 1, 2024, relating to $700 million aggregate principal amount of Senior Notes, Series FF, Due 2031 and $700 million aggregate principal amount of Senior Notes, Series GG, Due 2034 ( Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed April 18, 2024, File No.

4.2 Eversource Energy Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 (Exhibit 4.3, Eversource Energy Annual Report on Form 10-K filed February 27, 2020, File No.

4.1 Indenture between Eversource Energy and The Bank of New York as Trustee dated as of April 1, 2002 (Exhibit A-3, Eversource Energy 35-CERT filed on April 16, 2002, File No.

4.1.1 Seventh Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of March 1, 2016, relating to $250 million of Senior Notes, Series J, due 2026 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed on March 15, 2016, File No.

4.1.14 Twenty-Second Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of April 1, 2024, relating to $700 million aggregate principal amount of Senior Notes, Series FF, Due 2031 and $700 million aggregate principal amount of Senior Notes, Series GG, Due 2034 (Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed on April 18, 2024, File No.

4.1.15 Twenty-Third Supplemental Indenture between Eversource Energy and The Bank of New York Trust Company N.A., as Trustee, dated as of October 1, 2025, relating to $600 million aggregate principal amount of Senior Notes, Series HH, Due 2030 ( Exhibit 4.1, Eversource Energy Current Report on Form 8-K filed on October 17, 2025, File No.

(B) The Connecticut Light and Power Company

4.1 Indenture of Mortgage and Deed of Trust between CL&P and Bankers Trust Company, Trustee, dated as of May 1, 1921 (Composite including all twenty-four amendments to May 1, 1967) (Exhibit 4.1, 2017 Eversource 10-K filed on February 26, 2018)

4.1.1 Series B Supplemental Indenture between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of September 1, 2004 (Exhibit 99.5, CL&P Current Report on Form 8-K filed September 22, 2004, File No.

4.2 Composite Indenture of Mortgage and Deed of Trust between CL&P and Deutsche Bank Trust Company Americas f/k/a Bankers Trust Company, dated as of May 1, 1921, as amended and supplemented by seventy-three supplemental mortgages to and including Supplemental Mortgage dated as of April 1, 2005 (Exhibit 99.5, CL&P Current Report on Form 8-K filed April 13, 2005, File No.

4.2.1 Supplemental Indenture (2005 Series B Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of April 1, 2005 (Exhibit 99.2, CL&P Current Report on Form 8-K filed April 13, 2005, File No.

4.2.2 Supplemental Indenture (2006 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of June 1, 2006 (Exhibit 99.2, CL&P Current Report on Form 8-K filed June 7, 2006, File No.

4.2.3 Supplemental Indenture (2007 Series B Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of March 1, 2007 (Exhibit 99.2, CL&P Current Report on Form 8-K filed March 29, 2007, File No.

4.2.4 Supplemental Indenture (2007 Series D Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of September 1, 2007 (Exhibit 4, CL&P Current Report on Form 8-K filed September 19, 2007, File No.

4.2.5 Supplemental Indenture (2014 Series A Bond) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of April 1, 2014 (Exhibit 4.1, CL&P Current Report on Form 8-K filed April 29, 2014, File No.

4.2.6 Supplemental Indenture (2015 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of May 1, 2015 (Exhibit 4.1, CL&P Current Report on Form 8-K filed May 26, 2015, File No.

4.2.7 Supplemental Indenture (2015 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of November 1, 2015 (Exhibit 4.1, CL&P Current Report on Form 8-K filed December 4, 2015, File No.

4.2.8 Supplemental Indenture (2017 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of March 1, 2017 (Exhibit 4.1, CL&P Current Report on Form 8-K filed on March 16, 2017, File No.

4.2.9 Supplemental Indenture (2014 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of August 1, 2017 (Exhibit 4.1, CL&P Current Report on Form 8-K filed August 23, 2017, File No.

4.2.10 Supplemental Indenture (2018 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of March 1, 2018 (Exhibit 4.1, CL&P Current Report on Form 8-K filed April 2, 2018, File No.

4.2.11 Supplemental Indenture (2018 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of March 1, 2019 (Exhibit 4.1, CL&P Current Report on Form 8-K filed on April 4, 2019, File No.

4.2.12 Supplemental Indenture (2017 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of September 1, 2019 (Exhibit 4.1, CL&P Current Report on Form 8-K filed on September 23, 2019, File No.

4.2.13 Supplemental Indenture (2020 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of December 1, 2020 (Exhibit 4.1, CL&P Current Report on Form 8-K filed on December 4, 2020, File No.

4.2.13 Supplemental Indenture (2021 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of June 1, 2021 (Exhibit 4.1, CL&P Current Report on Form 8-K filed on July 2, 2021, File No.

4 unchanged sentences

4.2.18 Supplemental Indenture (2025 Series A Bonds) between CL&P and Deutsche Bank Trust Company Americas, as Trustee dated as of January 1, 2025 (Exhibit 4.1, CL&P Current Report on Form 8-K filed on January 13, 2025, File No.

4.3 CL&P Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 (Exhibit 4.4, Eversource Energy Annual Report on Form 10-K filed February 27, 2020, File No.

4.3 CL&P Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 (Exhibit 4.4, Eversource Energy Annual Report on Form 10-K filed on February 27, 2020, File No.

4.1 Indenture between Boston Edison Company and the Bank of New York (as successor to Bank of Montreal Trust Company) (Exhibit 4.1, 2017 Eversource Form 10-K filed February 26, 2018)

4.1.1 A Form of 5.75% Debenture Due March 15, 2036 (Exhibit 99.2, Boston Edison Company Current Report on Form 8‑K filed March 17, 2006, File No.

4.1.2 A Form of 5.50% Debenture Due March 15, 2040 (Exhibit 99.2, NSTAR Electric Company Current Report on Form 8‑K filed March 15, 2010, File No.

4.1.3 A Form of 4.40% Debenture Due 2044 (Exhibit 4, NSTAR Electric Company Current Report on Form 8-K filed March 13, 2014, File No.

4.1.4 A Form of 3.25% Debenture due 2025 (Exhibit 4, NSTAR Electric Company Current Report on Form 8-K filed on November 20, 2015, File No.

4.1 Indenture between Boston Edison Company and the Bank of New York (as successor to Bank of Montreal Trust Company) (Exhibit 4.1, 2017 Eversource Energy Annual Report on Form 10-K filed on February 26, 2018 , File No.

4.1.1 A Form of 5.75% Debenture Due March 15, 2036 (Exhibit 99.2, Boston Edison Company Current Report on Form 8‑K filed on March 17, 2006, File No.

4.1.2 A Form of 5.50% Debenture Due March 15, 2040 (Exhibit 99.2, NSTAR Electric Company Current Report on Form 8‑K filed on March 15, 2010, File No.

4.1.3 A Form of 4.40% Debenture Due 2044 (Exhibit 4, NSTAR Electric Company Current Report on Form 8-K filed on March 13, 2014, File No.

4.1.4 A Form of 2.70% Debenture due 2026 (Exhibit 4, NSTAR Electric Company Current Report on Form 8-K filed on May, 31, 2016, File No.

8 unchanged sentences

4.1.13 Form of 5.40% Debenture due 2034 ( Exhibit 4.1, NSTAR Electric Company Current Report on Form 8‑K filed on May 22, 2024, File No.

4.2 Second Amended and Restated Credit Agreement, dated as of October 15, 2021, by and among NSTAR Electric Company and the Banks named therein, pursuant to which Barclays Bank PLC serves as Administrative Agent and Swing Line Lender ( Exhibit 10.13, 2021 Eversource Form 10-K filed on February 17, 2022 )

4.2.1 First Amendment to Second Amended and Restated Credit Agreement and Extension Agreement, dated October 17, 2022, by and between NSTAR Electric Company and the Banks named therein, pursuant to which Barclays Bank PLC serves as Administrative Agent and Swing Line Lender ( Exhibit 4.1, Eversource Form 10-Q filed on November 4, 2022 )

4.2.2 Second Amendment to Second Amended and Restated Credit Agreement, dated October 11, 2024, by and between NSTAR Electric Company and the Banks named therein, pursuant to which Barclays Bank PLC serves as Administrative Agent and Swing Line Lender ( Exhibit 4, Eversource Form 10-Q filed on November 6, 2024 )

4.3 Indenture between NSTAR Electric Company, as successor to Western Massachusetts Electric Company (WMECO), and The Bank of New York, as Trustee, dated as of September 1, 2003 (Exhibit 99.2, WMECO Current Report on Form 8-K filed October 8, 2003, File No.

4.3.1 Second Supplemental Indenture between NSTAR Electric Company, as successor to WMECO, and The Bank of New York, as Trustee dated as of September 1, 2004 (Exhibit 4.1, WMECO Current Report on Form 8-K filed September 27, 2004, File No.

4.3.2 Fourth Supplemental Indenture between NSTAR Electric Company, as successor to WMECO, and The Bank of New York Trust, as Trustee, dated as of August 1, 2007 (Exhibit 4.1, WMECO Current Report on Form 8-K filed August 20, 2007, File No.

4.3.3 Eighth Supplemental Indenture between NSTAR Electric Company, as successor to WMECO, and The Bank of New York Trust Company, N.A., as Trustee, dated as of June 1, 2016 (Exhibit 4.1, WMECO Current Report on Form 8-K filed June 29, 2016, File No.

4.4 NSTAR Electric Company Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 (Exhibit 4.4, Eversource Energy Annual Report on Form 10-K filed February 27, 2020, File No.

4.1.14 Form of 4.85% Debenture due 2030 ( Exhibit 4.1, NSTAR Electric Company Current Report on Form 8‑K filed on February 26, 2025 , File No.

4.1.15 Form of 5.20% Debenture due 2035 ( Exhibit 4.

2 , NSTAR Electric Company Current Report on Form 8‑K filed on February 26, 2025, File No.

4.2 Second Amended and Restated Credit Agreement, dated as of October 15, 2021, by and among NSTAR Electric Company and the Banks named therein, pursuant to which Barclays Bank PLC serves as Administrative Agent and Swing Line Lender ( Exhibit 10.13, Eversource Energy Annual Report on Form 10-K filed on February 17, 2022, File No.

4.2.2 Second Amendment to Second Amended and Restated Credit Agreement, dated October 11, 2024, by and between NSTAR Electric Company and the Banks named therein, pursuant to which Barclays Bank PLC serves as Administrative Agent and Swing Line Lender (Exhibit 4, Eversource Energy Quarter ly R eport on Form 10-Q filed on November 6, 2024, File No.

(D) Public Service Company of New Hampshire

4.1 First Mortgage Indenture between PSNH and First Fidelity Bank, National Association, New Jersey, now First Union National Bank, Trustee, dated as of August 15, 1978 (Composite including all amendments effective June 1, 2011) (included as Exhibit C to the Eighteenth Supplemental Indenture filed as Exhibit 4.1 to PSNH Current Report on Form 8-K filed June 2, 2011, File No.

4.1.1 Fourteenth Supplemental Indenture between PSNH and Wachovia Bank, National Association successor to First Union National Bank, as successor to First Fidelity Bank, National Association, as Trustee dated as of October 1, 2005 (Exhibit 99.2, PSNH Current Report on Form 8-K filed October 6, 2005, File No.

4.1 First Mortgage Indenture between PSNH and First Fidelity Bank, National Association, New Jersey, now First Union National Bank, Trustee, dated as of August 15, 1978 (Composite including all amendments effective June 1, 2011) (included as Sc hedule C to the Eighteenth Supplemental Indenture filed as Exhibit 4.1 to PSNH Current Report on Form 8-K filed on June 2, 2011, File No.

4.1.2 Twenty-Second Supplemental Indenture, between PSNH and U.S.

10 unchanged sentences

Bank Trust Company, National Association, as Trustee dated as of April 1, 2024 (Exhibit 4.3, PSNH Current Report on Form 8-K filed on April 1, 2024 , File No.

4.2 Series A Loan and Trust Agreement among Business Finance Authority of the State of New Hampshire and PSNH and State Street Bank and Trust Company, as Trustee (Tax Exempt Pollution Control Bonds) dated as of October 1, 2001 (Exhibit 4.3.4, 2001 Eversource Energy Form 10-K filed March 22, 2002, File No.

4.1.8 Twenty-Eighth Supplemental Indenture, between PSNH and U.S.

Bank Trust Company, National Association, as Trustee dated as of June 1, 2025 (Exhibit 4.

1 , PSNH Current Report on Form 8-K filed on June 24, 2025 , File No.

5 , 2001 Eversource Energy Annual Report on Form 10-K filed on March 22, 2002, File No.

(F) Eversource Energy, The Connecticut Light and Power Company and Public Service Company of New Hampshire

4.1 Second Amended and Restated Credit Agreement, dated as of October 15, 2021, by and among Eversource, Aquarion Water Company of Connecticut, NSTAR Gas, CL&P, PSNH, Yankee Gas and EGMA and the Banks named therein, pursuant to which Bank of America, N.A.

serves as Administrative Agent and Swing Line Lender ( Exhibit 10.12, 2021 Eversource Form 10-K filed on February 17, 2022 )

serves as Administrative Agent and Swing Line Lender ( Exhibit 10.12, Eversource Energy Annual Report on Form 10-K filed on February 17, 2022, File No.

4.1.1 First Amendment to Second Amended and Restated Credit Agreement and Extension Agreement, dated October 17, 2022, by and among Eversource, Aquarion Water Company of Connecticut, NSTAR Gas, CL&P, PSNH, Yankee Gas and EGMA and the Banks named therein, pursuant to which Bank of America, N.A.

serves as Administrative Agent and Swing Line Lender ( Exhibit 4, Eversource Form 10-Q filed on November 4, 2022 )

serves as Administrative Agent and Swing Line Lender ( Exhibit 4, Eversource Energy Quarterly Report on Form 10-Q filed on November 4, 2022, File No.

4.1.2 Second Amendment to Second Amended and Restated Credit Agreement and Extension Agreement, dated November 29, 2023, by and among Eversource, Aquarion Water Company of Connecticut, NSTAR Gas, CL&P, PSNH, Yankee Gas and EGMA and the Banks named therein, pursuant to which Bank of America, N.A.

serves as Administrative Agent and Swing Line Lender ( Exhibit 4.1.2, Eversource Form 10-K filed on February 14, 2024 )

serves as Administrative Agent and Swing Line Lender ( Exhibit 4.1.2, Eversource Energy Annual Report on Form 10-K filed on February 14, 2024, File No.

4.1.3 Third Amendment to Second Amended and Restated Credit Agreement, dated October 11, 2024, by

and among Eversource Energy, Aquarion Water Company of Connecticut, NSTAR Gas Company, The Connecticut Light and Power Company, Public Service Company of New Hampshire, Yankee Gas Services Company and Eversource Gas Company of Massachusetts and the Banks named therein, pursuant to which Bank of America, N.A.

serves as Administrative Agent and Swing Line Lender ( Exhibit 4, Eversource Form 10-Q filed on November 6, 2024 )

serves as Administrative Agent and Swing Line Lender ( Exhibit 4, Eversource Energy Quarterly Report on Form 10-Q filed on November 6, 2024 , File No.

Material Contracts

(A) Eversource Energy

10.1 Lease between The Rocky River Realty Company and Eversource Energy Service Company, dated as of July 1, 2008 (Exhibit 10.1, 2017 Eversource Form 10-K filed on February 26, 2018)

10.1 Lease between The Rocky River Realty Company and Eversource Energy Service Company, dated as of July 1, 2008 (Exhibit 10.1, Eversource Energy Annual Report on Form 10-K filed on February 26, 2018 , File No.

*+10.2 Eversource Energy Board of Trustees’ Compensation Arrangement Summary

+10.3 Eversource Supplemental Executive Retirement Program, as amended to include the Eversource Supplemental Cash Balance Pension Plan, effective January 1, 2025 (Exhibit 10.

1 , 2015 Eversource Energy Form 8 -K filed December 6, 2024 , File No.

+10.4 Eversource Energy Deferred Compensation Plan for Executives effective as of January 1, 2014 (Exhibit 10.6, 2015 Eversource Energy Form 10-K filed February 26, 2016, File No.

+10.4.1 Amendment No 1 to the Eversource Deferred Compensation Plan effective February 7, 2018 (Exhibit 10.6.1, Eversource Energy Annual Report on Form 10-K filed February 27, 2020, File No.

+10.5 NSTAR Excess Benefit Plan, effective August 25, 1999 (Exhibit 10.1 1999 NSTAR Form 10-K/A filed September 29, 2000, File No.

+10.5.1 NSTAR Excess Benefit Plan, incorporating the NSTAR 409A Excess Benefit Plan, as amended and restated effective January 1, 2008, dated December 24, 2008 (Exhibit 10.1.1 2008 NSTAR Form 10-K filed February 9, 2009, File No.

+10.3 Eversource Supplemental Executive Retirement Program, as amended to include the Eversource Supplemental Cash Balance Pension Plan, effective January 1, 2025 (Exhibit 10.1, Eversource Energy Current Report on Form 8-K filed on December 6, 2024, File No.

+10.4 Eversource Energy Deferred Compensation Plan for Executives effective as of January 1, 2014 (Exhibit 10.6, Eversource Energy Annual Repor t on Form 10-K filed on February 26, 2016, File No.

+10.4.1 Amendment No 1 to the Eversource Deferred Compensation Plan effective February 7, 2018 (Exhibit 10 .6.1, Eversource Energy Annual Report on Form 10-K filed on February 27, 2020, File No.

+10.5 NSTAR Excess Benefit Plan, effective August 25, 1999 (Exhibit 10.1 , NSTAR Annual Report on Form 10-K/A filed on September 29, 2000, File No.

+10.5.1 NSTAR Excess Benefit Plan, incorporating the NSTAR 409A Excess Benefit Plan, as amended and restated effective January 1, 2008, dated December 24, 2008 (Exhibit 10.1.1 , NSTAR Annual Report on Form 10-K filed on February 9, 2009, File No.

+10.6 Amended and Restated Change in Control Agreement by and between Joseph R.

and NSTAR, dated November 15, 2007 (Exhibit 10.13, 2007 NSTAR Form 10-K filed February 11, 2008, File No.

+10.7 Amended and Restated Change in Control Agreement by and between Senior Vice President and NSTAR, dated November 15, 2007 (Exhibit 10.15, 2007 NSTAR Form 10-K filed February 11, 2008, File No.

and NSTAR, dated November 15, 2007 (Exhibit 10.13, NSTAR Annual Report on Form 10-K filed on February 11, 2008, File No.

+10.7 Amended and Restated Change in Control Agreement by and between Senior Vice President and NSTAR, dated November 15, 2007 (Exhibit 10.15, NSTAR Annual Report on Form 10-K filed on February 11, 2008, File No.

(B) Eversource Energy, The Connecticut Light and Power Company, NSTAR Electric Company and Public Service Company of New Hampshire

10.1 Amended and Restated Form of Service Contract between each of Eversource Energy, CL&P, NSTAR Electric Company and Eversource Energy Service Company dated as of January 1, 2014.

(Exhibit 10.1, Eversource Energy Form 10-K filed on February 25, 2014, File No.

(Exhibit 10.1, Eversource Energy Annual Report on Form 10-K filed on February 25, 2014, File No.

10.2 Transmission Operating Agreement between the Initial Participating Transmission Owners, Additional Participating Transmission Owners and ISO New England, Inc.

dated as of February 1, 2005 (Exhibit 10.29, 2004 Eversource Energy Form 10-K filed March 17, 2005, File No.

10.2.1 Rate Design and Funds Disbursement Agreement among the Initial Participating Transmission Owners, Additional Participating Transmission Owners and ISO New England, Inc., effective June 30, 2006 (Exhibit 10.22.1, 2006 Eversource Energy Form 10-K filed March 1, 2007, File No.

10.3 Eversource Energy's Third Amended and Restated Tax Allocation Agreement dated as of April 10, 2012, (Exhibit 10.1 Eversource Energy Form 10-Q for Quarter Ended June 30, 2012 filed August 7, 2012, File No.

+10.4 Amended and Restated Incentive Plan Effective January 1, 2009 (Exhibit 10.3, Eversource Energy Form 10-Q for the Quarter Ended September 30, 2008 filed November 10, 2008, File No.

+10.5 2018 Eversource Energy Incentive Plan (Exhibit 99.2, Eversource Energy Current Report on Form 8-K dated May 3, 2018)

10.5.1 Amendment Number 1 to the 2018 Eversource Incentive Plan, effective May 3, 2023 ( Appendix A to the Eversource Energy Definitive Proxy Statement for the 2023 Eversource Energy Annual Meeting of Shareholders, dated March 24, 2023 )

+10.6 Trust under Supplemental Executive Retirement Plan dated May 2, 1994 (Exhibit 10.33, 2002 Eversource Energy Form 10-K filed March 21, 2003, File No.

+10.6.1 First Amendment to Trust Under Supplemental Executive Retirement Plan, effective as of December 10, 2002 (Exhibit 10 (B) 10.19.1, 2003 Eversource Energy Form 10-K filed March 12, 2004, File No.

+10.6.2 Second Amendment to Trust Under Supplemental Executive Retirement Plan, effective as of November 12, 2008 (Exhibit 10.12.2, 2008 Eversource Energy Form 10-K filed February 27, 2009, File No.

dated as of February 1, 2005 (Exhibit 10.29, Eversource Energy Annual Report on Form 10-K filed on March 17, 2005, File No.

10.2.1 Rate Design and Funds Disbursement Agreement among the Initial Participating Transmission Owners, Additional Participating Transmission Owners and ISO New England, Inc., effective June 30, 2006 (Exhibit 10.22.1, Eversource Energy Annual Report on Form 10-K filed on March 1, 2007, File No.

10.3 Eversource Energy's Third Amended and Restated Tax Allocation Agreement dated as of April 10, 2012, (Exhibit 10.1 , Eversource Energy Quarterly Report on Form 10-Q for Quarter Ended June 30, 2012 filed on August 7, 2012, File No.

+10.4 Amended and Restated Incentive Plan Effective January 1, 2009 (Exhibit 10.3, Eversource Energy Quarter ly Report on Form 10-Q for the Quarter Ended September 30, 2008 filed November 10, 2008, File No.

+10.5 2018 Eversource Energy Incentive Plan (Exhibit 99.2, Eversource Energy Current Report on Form 8-K dated May 3, 2 0 18, File No.

+10.6 Trust under Supplemental Executive Retirement Plan dated May 2, 1994 (Exhibit 10.33, Eversource Energy Annual Report on Form 10-K filed on March 21, 2003, File No.

+10.6.1 First Amendment to Trust Under Supplemental Executive Retirement Plan, effective as of December 10, 2002 (Exhibit 10 (B) 10.19.1, Eversource Energy Annual Report on Form 10-K filed on March 12, 2004, File No.

+10.6.2 Second Amendment to Trust Under Supplemental Executive Retirement Plan, effective as of November 12, 2008 (Exhibit 10.12.2, Eversource Energy Annual Report on Form 10-K filed on February 27, 2009, File No.

+10.7 Amended and Restated Employment Agreement with Gregory B.

Butler, effective January 1, 2009 (Exhibit 10.7, 2008 Eversource Energy 2010 Form 10-K filed February 27, 2009, File No.

Butler, effective January 1, 2009 (Exhibit 10.7, Eversource Energy Annual Report on Form 10-K filed on February 27, 2009, File No.

(C) Eversource Energy, The Connecticut Light and Power Company, Public Service Company of New Hampshire and NSTAR Electric Company

10.1 Eversource Energy Service Company Transmission and Ancillary Service Wholesale Revenue Allocation Methodology among The Connecticut Light and Power Company, NSTAR Electric Company, Public Service Company of New Hampshire, Holyoke Water Power Company and Holyoke Power and Electric Company Trustee dated as of January 1, 2008 (Exhibit 10.1, Eversource Energy Form 10-Q for the Quarter Ended March 31, 2008 filed May 9, 2008, File No.

10.1 Eversource Energy Service Company Transmission and Ancillary Service Wholesale Revenue Allocation Methodology among The Connecticut Light and Power Company, NSTAR Electric Company, Public Service Company of New Hampshire, Holyoke Water Power Company and Holyoke Power and Electric Company Trustee dated as of January 1, 2008 (Exhibit 10.1, Eversource Energy Quarterly Report on Form 10-Q for the Quarter Ended March 31, 2008 filed on May 9, 2008, File No.

Insider Trading Policy

68 unchanged sentences

Long Trustee February 17, 2026

Robert Mudge Trustee February 17, 2026

/s/ Daniel J.

83 unchanged sentences

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 9A. Controls and Procedures