65 unchanged sentences
PSUs entitle a recipient to receive performance-based compensation at the end of a three-year cycle based on our performance during that period.
−Removed: For the 2024 PSU awards, corporate performance will be based directly on return on average capital invested, with total return to stockholders and revenue growth serving as modifiers, and will be settled in shares of Common Stock.
+Added: For the 2025 PSU awards, corporate performance will be based directly on both return on average capital invested and total return to stockholders and will be settled in shares of Common Stock.
RSUs are payable in cash or in shares of Common Stock at the end of a restriction period.
48 unchanged sentences
(SEC File No.
+Added: 2.2 Agreement and Plan of Merger, dated as of July 28, 2025, by and among Union Pacific Corporation, Ruby Merger Sub 1 Corporation, Ruby Merger Sub 2 LLC and Norfolk Southern Corporation (incorporated by reference from Exhibit 2.1 to the Company’s Form 8-K filed on July 29, 2025).
+Added: (SEC File No.
3 Articles of Incorporation and Bylaws –
21 unchanged sentences
(SEC File No.
−Removed: (g) Tenth Supplemental Indenture, dated as of May 17, 2005, between Norfolk Southern Corporation and U.S.
−Removed: Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $366.6 million, is incorporated by reference to Exhibit 99.1 to Norfolk Southern Corporation’s Form 8-K filed on May 18, 2005.
−Removed: (SEC File No.
−Removed: (h) Eleventh Supplemental Indenture, dated as of May 17, 2005, between Norfolk Southern Corporation and U.S.
+Added: (g) Eleventh Supplemental Indenture, dated as of May 17, 2005, between Norfolk Southern Corporation and U.S.
Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $350 million, is incorporated by reference to Exhibit 99.2 to Norfolk Southern Corporation’s Form 8-K filed on May 18, 2005.
(SEC File No.
−Removed: (i) Twelfth Supplemental Indenture, dated as of August 26, 2010, between Norfolk Southern Corporation and U.S.
+Added: (h) Twelfth Supplemental Indenture, dated as of August 26, 2010, between Norfolk Southern Corporation and U.S.
Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $250 million, is incorporated by reference to Exhibit 4.2 to Norfolk Southern Corporation’s Form 8-K filed on August 26, 2010.
(SEC File No.
−Removed: (j) Indenture, dated as of June 1, 2009, between Norfolk Southern Corporation and U.S.
+Added: (i) Indenture, dated as of June 1, 2009, between Norfolk Southern Corporation and U.S.
Bank Trust National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on June 1, 2009.
(SEC File No.
−Removed: (k) Second Supplemental Indenture, dated as of May 23, 2011, between the Registrant and U.S.
+Added: (j) Second Supplemental Indenture, dated as of May 23, 2011, between the Registrant and U.S.
Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $400 million, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on May 23, 2011.
(SEC File No.
−Removed: (l) Indenture, dated as of September 14, 2011, between the Registrant and U.S.
+Added: (k) Indenture, dated as of September 14, 2011, between the Registrant and U.S.
Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $595,504,000, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on September 15, 2011.
(SEC File No.
−Removed: (m) Third Supplemental Indenture, dated as of September 14, 2011, between the Registrant and U.S.
+Added: (l) Third Supplemental Indenture, dated as of September 14, 2011, between the Registrant and U.S.
Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $4,492,000, is incorporated by reference to Exhibit 4.2 to Norfolk Southern Corporation’s Form 8-K filed on September 15, 2011.
(SEC File No.
−Removed: (n) Fourth Supplemental Indenture, dated as of November 17, 2011, between the Registrant and U.S.
+Added: (m) Fourth Supplemental Indenture, dated as of November 17, 2011, between the Registrant and U.S.
Bank Trust National Association, as Trustee, related to the issuance of two series of notes, one in the principal amount of $500 million and one in the principal amount of $100 million, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on November 17, 2011.
(SEC File No.
−Removed: (o) Indenture, dated as of March 15, 2012, between the Registrant and U.S.
+Added: (n) Indenture, dated as of March 15, 2012, between the Registrant and U.S.
Bank Trust National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on March 15, 2012.
(SEC File No.
−Removed: (p) Second Supplemental Indenture, dated as of September 7, 2012, between the Registrant and U.S.
+Added: (o) Second Supplemental Indenture, dated as of September 7, 2012, between the Registrant and U.S.
Bank Trust National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on September 7, 2012.
(SEC File No.
−Removed: (q) Third Supplemental Indenture, dated as of August 13, 2013, between the Registrant and U.S.
+Added: (p) Third Supplemental Indenture, dated as of August 13, 2013, between the Registrant and U.S.
Bank Trust National Association, as Trustee, related to the issuance of notes in the principal amount of $500,000,000, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on August 13, 2013.
(SEC File No.
−Removed: (r) Indenture, dated as of June 2, 2015, between Registrant and U.S.
+Added: (q) Indenture, dated as of June 2, 2015, between Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on June 2, 2015.
(SEC File No.
−Removed: (s) First Supplemental Indenture, dated as of June 2, 2015, between the Registrant and U.S.
+Added: (r) First Supplemental Indenture, dated as of June 2, 2015, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.2 to Norfolk Southern Corporation’s Form 8-K filed on June 2, 2015.
(SEC File No.
−Removed: (t) Second Supplemental Indenture, dated as of November 3, 2015, between the Registrant and U.S.
+Added: (s) Second Supplemental Indenture, dated as of November 3, 2015, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on November 3, 2015.
(SEC File No.
−Removed: (u) Third Supplemental Indenture, dated as of June 3, 2016, between the Registrant and U.S.
+Added: (t) Third Supplemental Indenture, dated as of June 3, 2016, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed on June 3, 2016.
(SEC File No.
−Removed: (v) Fourth Supplemental Indenture, dated as of May 31, 2017, between the Registrant and U.S.
+Added: (u) Fourth Supplemental Indenture, dated as of May 31, 2017, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to the Corporation’s Form 8-K filed May 31, 2017.
(SEC File No.
−Removed: (w) Indenture, dated as of August 15, 2017, between the Registrant and U.S.
+Added: (v) Indenture, dated as of August 15, 2017, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference herein to Exhibit 4.1 to Norfolk Southern Corporation’s Form 8-K filed August 15, 2017.
(SEC File No.
−Removed: (x) Indenture, dated as of February 28, 2018 between the Registrant and U.S.
+Added: (w) Indenture, dated as of February 28, 2018 between the Registrant and U.S.
Bank National Association, as Trustee.
1 unchanged sentence
(SEC File No.
−Removed: (y) First Supplemental Indenture, dated as of February 28, 2018, between the Registrant and U.S.
+Added: (x) First Supplemental Indenture, dated as of February 28, 2018, between the Registrant and U.S.
Bank National Association, as Trustee.
1 unchanged sentence
(SEC File No.
−Removed: (z) Second Supplemental Indenture, dated as of August 2, 2018, between the Registrant and U.S.
+Added: (y) Second Supplemental Indenture, dated as of August 2, 2018, between the Registrant and U.S.
Bank National Association, as Trustee.
1 unchanged sentence
(SEC File No.
−Removed: (aa) Third Supplemental Indenture, dated as of May 8, 2019, between the Registrant and U.S.
+Added: (z) Third Supplemental Indenture, dated as of May 8, 2019, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to the Registrant’s Form 8-K filed on May 8, 2019 (SEC File No.
−Removed: (bb) Fourth Supplemental Indenture, dated as of November 4, 2019, between the Registrant and U.S.
+Added: (aa) Fourth Supplemental Indenture, dated as of November 4, 2019, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to the Registrant’s Form 8-K filed on November 4, 2019.
(SEC File No.
−Removed: (cc) Description of the Registrant’s Common Stock Registered Under Section 12 of the Securities Exchange Act of 1934, is incorporated by reference to Exhibit 4(hh) to Norfolk Southern Corporation's Form 10-K filed on February 6, 2020.
+Added: (bb) Description of the Registrant’s Common Stock Registered Under Section 12 of the Securities Exchange Act of 1934, is incorporated by reference to Exhibit 4(hh) to Norfolk Southern Corporation's Form 10-K filed on February 6, 2020.
(SEC File No.
−Removed: (dd) Fifth Supplemental Indenture, dated as of May 11, 2020, between the Registrant and U.S.
+Added: (cc) Fifth Supplemental Indenture, dated as of May 11, 2020, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.1 to the Registrant’s Form 8-K filed on May 11, 2020.
(SEC File No.
−Removed: (ee) Indenture dated as of May 15, 2020, between the Registrant and U.S.
+Added: (dd) Indenture dated as of May 15, 2020, between the Registrant and U.S.
Bank National Association, as Trustee is incorporated by reference to Exhibit 4.1 to the Registrant’s Form 8-K filed on May 15, 2020.
(SEC File No.
−Removed: (ff) Sixth Supplemental Indenture, dated as of May 12, 2021, between the Registrant and U.S.
+Added: (ee) Sixth Supplemental Indenture, dated as of May 12, 2021, between the Registrant and U.S.
Bank National Association, as Trustee, is incorporated by reference to Exhibit 4.2 to the Registrant’s Form 8-K filed on May 12, 2021.
(SEC File No.
−Removed: (gg) Seventh Supplemental Indenture, dated as of August 25, 2021, between the Registrant and U.S.
+Added: (ff) Seventh Supplemental Indenture, dated as of August 25, 2021, between the Registrant and U.S.
Bank National Association, as trustee, is incorporated by reference to Exhibit 4.1 to the Registrant’s Form 8-K filed on August 25, 2021.
(SEC File No.
−Removed: (hh) Eighth Supplemental Indenture, dated as of February 25, 2022, between the Registrant and U.S.
+Added: (gg) Eighth Supplemental Indenture, dated as of February 25, 2022, between the Registrant and U.S.
Bank Trust Company, National Association (as successor to U.S.
1 unchanged sentence
(SEC File No.
−Removed: (ii) Ninth Supplemental Indenture, dated June 13, 2022, between the Registrant and U.S.
+Added: (hh) Ninth Supplemental Indenture, dated June 13, 2022, between the Registrant and U.S.
Bank Trust Company, National Association (as successor to U.S.
1 unchanged sentence
(SEC File No.
−Removed: (jj) Tenth Supplemental Indenture, dated as of February 2, 2023, between the Registrant and U.S.
+Added: (ii) Tenth Supplemental Indenture, dated as of February 2, 2023, between the Registrant and U.S.
Bank Trust Company, National Association (as successor to U.S.
1 unchanged sentence
(SEC File No.
−Removed: (kk) Eleventh Supplemental Indenture, dated as of August 2, 2023, between the Registrant and U.S.
+Added: (jj) Eleventh Supplemental Indenture, dated as of August 2, 2023, between the Registrant and U.S.
Bank Trust Company, National Association (as successor to U.S.
1 unchanged sentence
(SEC File No.
−Removed: (ll) Twelfth Supplemental Indenture, dated as of November 22, 2023, between the Registrant and U.S.
+Added: (kk) Twelfth Supplemental Indenture, dated as of November 22, 2023, between the Registrant and U.S.
Bank Trust Company, National Association (as successor to U.S.
1 unchanged sentence
(SEC File No.
+Added: (ll) Thirteenth Supplemental Indenture, dated as of May 2, 2025, between the Registrant and U.S.
+Added: Bank Trust Company, National Association (as successor to U.S.
+Added: Bank National Association), as trustee is incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K filed on May 2, 2025.
+Added: (SEC File No.
In accordance with Item 601(b)(4)(iii) of Regulation S-K, copies of other instruments of Norfolk Southern Corporation and its subsidiaries with respect to the rights of holders of long-term debt are not filed herewith, or incorporated by reference, but will be furnished to the Commission upon request.
76 unchanged sentences
(SEC File No.
−Removed: (gg)* Norfolk Southern Corporation Executives’ Deferred Compensation Plan, as amended and restated effective January 1, 2019, is incorporated by reference to Exhibit 10(ww) to Norfolk Southern Corporation's Form 10-K filed on February 8, 2019.
−Removed: (SEC File No.
+Added: (gg)*,** Norfolk Southern Corporation Executives’ Deferred Compensation Plan, as amended and restated effective January 1, 2026.
(hh)* Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Outside Directors for Restricted Stock Units and deferral election form as approved by the Human Capital Management and Compensation Committee on November 18, 2021, is incorporated by reference to Exhibit 10(cc) to Norfolk Southern Corporation's Form 10-K filed on February 4, 2022.
(SEC File No.
−Removed: (ii)*,** Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Non-Qualified Stock Options approved by the Human Capital Management and Compensation Committee on January 28, 2025.
−Removed: (jj)*,** Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Restricted Stock Units approved by the Human Capital Management and Compensation Committee on January 28, 2025.
−Removed: (kk)*,** Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Performance Share Units approved by the Human Capital Management and Compensation Committee on January 28, 2025.
+Added: (ii)* Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Non-Qualified Stock Options approved by the Human Capital Management and Compensation Committee on January 28, 2025, is incorporated by reference to Exhibit 10(ii) to Norfolk Southern’s Form 10-K filed February 10, 2025.
+Added: (SEC File No.
+Added: (jj)* Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Restricted Stock Units approved by the Compensation and Talent Management Committee on September 23, 2025, is incorporated by reference herein to Exhibit 10.2 to Norfolk Southern Corporation’s 10-Q filed on October 23, 2025.
+Added: (SEC File No.
+Added: (kk)*,** Form of Norfolk Southern Corporation Long-Term Incentive Plan, Award Agreement for Performance Share Units approved by the Compensation and Talent Management Committee on January 26, 2026.
(ll)* Form of Change in Control Agreement between Norfolk Southern Corporation and executive officers who entered into a change in control agreement after 2015 is incorporated by reference to Exhibit 10.2 to Norfolk Southern Corporation’s Form 10-Q filed on July 29, 2020.
7 unchanged sentences
(SEC File No.
−Removed: (pp)* Retention Agreement for Ann A.
−Removed: Adams dated January 29, 2024 is incorporated by reference to Exhibit 10.3 to Norfolk Southern Corporation's Form 10-Q filed on April 24, 2024.
−Removed: (SEC File No.
−Removed: (qq)* Norfolk Southern Corporation Long-Term Incentive Plan Inducement Award Agreement for Performance-Based Restricted Stock Units is incorporated by reference to Exhibit 99.2 to Norfolk Southern Corporation’s Form 8-K filed on August 28, 2019.
+Added: (pp)* Norfolk Southern Corporation Long-Term Incentive Plan Inducement Award Agreement for Performance-Based Restricted Stock Units is incorporated by reference to Exhibit 99.2 to Norfolk Southern Corporation’s Form 8-K filed on August 28, 2019.
(SEC File No.
−Removed: (rr)* Norfolk Southern Corporation Long-Term Incentive Plan Inducement Award Agreement for Restricted Stock Units is incorporated by reference to Exhibit 99.3 to Norfolk Southern Corporation’s Form 8-K filed on August 28, 2019.
+Added: (qq)* Norfolk Southern Corporation Long-Term Incentive Plan Inducement Award Agreement for Restricted Stock Units is incorporated by reference to Exhibit 99.3 to Norfolk Southern Corporation’s Form 8-K filed on August 28, 2019.
(SEC File No.
−Removed: (ss)* Norfolk Southern Corporation Long-Term Incentive Plan Inducement Award Agreement for Non-Qualified Stock Options is incorporated by reference to Exhibit 99.4 to Norfolk Southern Corporation’s Form 8-K filed on August 28, 2019.
+Added: (rr)* Norfolk Southern Corporation Long-Term Incentive Plan Inducement Award Agreement for Non-Qualified Stock Options is incorporated by reference to Exhibit 99.4 to Norfolk Southern Corporation’s Form 8-K filed on August 28, 2019.
(SEC File No.
−Removed: (tt) A Lease Agreement, dated March 1, 2019, between NSRC and BA Leasing BSC, LLC.
+Added: (ss) A Lease Agreement, dated March 1, 2019, between NSRC and BA Leasing BSC, LLC.
This Agreement is incorporated by reference herein to Exhibit 10.2 to Norfolk Southern Corporation’s Form 8-K filed March 5, 2019.
(SEC File No.
−Removed: (uu) A Participation Agreement, dated March 1, 2019, between NSRC, BA Leasing BSC, LLC, Bank of America, N.A.
+Added: (tt) A Participation Agreement, dated March 1, 2019, between NSRC, BA Leasing BSC, LLC, Bank of America, N.A.
as Administrative Agent, and each of the Rent Assignees listed on Schedule II thereto.
1 unchanged sentence
(SEC File No.
−Removed: (vv) Guaranty of NSRC’s obligations under the Participation Agreement, Construction Agency Agreement, Lease Agreement and related documents by Norfolk Southern Corporation.
+Added: (uu) Guaranty of NSRC’s obligations under the Participation Agreement, Construction Agency Agreement, Lease Agreement and related documents by Norfolk Southern Corporation.
This Agreement is incorporated by reference herein to Exhibit 10.4 to Norfolk Southern Corporation’s Form 8-K filed March 5, 2019.
(SEC File No.
−Removed: (ww) Consent and First Omnibus Amendment dated May 14, 2021 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees (the Registrant will furnish supplementally to the Securities and Exchange Commission upon request, a copy of any omitted exhibit or schedule).
+Added: (vv) Consent and First Omnibus Amendment dated May 14, 2021 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees (the Registrant will furnish supplementally to the Securities and Exchange Commission upon request, a copy of any omitted exhibit or schedule).
(SEC File No.
−Removed: (xx) Consent and Second Omnibus Amendment dated September 10, 2021 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees (the Registrant will furnish supplementally to the Securities and Exchange Commission upon request, a copy of any omitted exhibit or schedule).
+Added: (ww) Consent and Second Omnibus Amendment dated September 10, 2021 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees (the Registrant will furnish supplementally to the Securities and Exchange Commission upon request, a copy of any omitted exhibit or schedule).
(SEC File No.
−Removed: (yy) Third Omnibus Amendment Agreement dated January 23, 2023 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees is incorporated by reference herein to Exhibit 10.2 to Norfolk Southern Corporation ’s Form 10-Q file d on April 26, 2023.
+Added: (xx) Third Omnibus Amendment Agreement dated January 23, 2023 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees is incorporated by reference herein to Exhibit 10.2 to Norfolk Southern Corporation’s Form 10-Q filed on April 26, 2023.
(SEC File No.
−Removed: (zz) Fourth Omnibus Amendment Agreement dated February 28, 2024 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation's Form 10-Q filed on April 24, 2024.
+Added: (yy) Fourth Omnibus Amendment Agreement dated February 28, 2024 between NSRC, BA Leasing, BSC, LLC, Bank of America, N.A as Administrative Agent, and each of the Rent Assignees is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation's Form 10-Q filed on April 24, 2024.
(SEC File No.
−Removed: (aaa)* Norfolk Southern Executive Severance Plan as adopted on May 14, 2020, and as amended July 28, 2020, and November 17, 2022, is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation's Form 8-K filed on November 21, 2022.
+Added: (zz)* Norfolk Southern Executive Severance Plan as amended and restated on May 8, 2025, is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation’s 10-Q filed on July 29, 2025 .
(SEC File No.
−Removed: (bbb) Cooperation Agreement dated November 13, 2024, by and among Norfolk Southern Corporation, Ancora Catalyst Institutional LP and certain of its affiliates is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation's Form 8-K filed on November 14, 2024.
+Added: (aaa) Cooperation Agreement dated November 13, 2024, by and among Norfolk Southern Corporation, Ancora Catalyst Institutional LP and certain of its affiliates is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation's Form 8-K filed on November 14, 2024.
(SEC File No.
−Removed: 19 ** Norfolk Southern Corporation Insider Trading policies and procedures.
+Added: (bbb)* Form of Retention Bonus Agreement is incorporated by reference herein to Exhibit 10.1 to Norfolk Southern Corporation’s Form 8-K filed on September 29, 2025 .
+Added: ( SEC File No.
+Added: 19 Norfolk Southern Corporation Insider Trading policies and procedures, incorporated by reference to Exhibit 19 to Norfolk Southern’s Form 10-K filed February 10, 2025.
+Added: (SEC File No.
21** Subsidiaries of the Registrant.
45 unchanged sentences
(Principal Accounting Officer)
−Removed: /s/ Claude Mongeau
−Removed: (Claude Mongeau)
−Removed: Independent Chair and Director
/s/ Richard H.
+Added: Independent Chair and Director
/s/ William Clyburn, Jr.
11 unchanged sentences
(Christopher T.
−Removed: /s/ Thomas C.
/s/ Gilbert H.
26 unchanged sentences
accounts payable $ 170 $ 51 $ 84 (2)
+Added: $ ( 119 ) (3)
Casualty and other claims
included in other liabilities 218 153 (1)
+Added: — ( 150 ) (4)
(1) Includes adjustments for changes in estimates for prior years’ claims.
4 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.