TETRA TECH INC 10-Q

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds On January 27, 2020, the Board of Directors authorized a new $200 million stock repurchase program, which was included in our remaining balance of $207.8 million as of fiscal 2020 year-end. In the first half of fiscal 2021, we repurchased and settled 249,714 shares with an average price of $120.14 per share for a total cost of $30 million in the open market. At March 28, 2021, we had a remaining balance of $177.8 million under our stock repurchase program. Below is a summary of the stock repurchases that were traded and settled during the first half of fiscal 2021: Period Total Number of Shares Purchased Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Maximum Dollar Value that May Yet be Purchased Under the Plans or Programs (in thousands) September 28, 2020 - October 25, 2020 45,574 $ 102.67 45,574 $ 203,134 October 26, 2020 - November 22, 2020 46,975 110.67 46,975 197,935 November 23, 2020 - December 27, 2020 42,864 119.50 42,864 192,813 December 28, 2020 - January 24, 2021 33,790 125.46 33,790 188,574 January 25, 2021 - February 21, 2021 37,992 132.50 37,992 183,540 February 22, 2021 - March 28, 2021 42,519 134.69 42,519 177,813 Item 4. Mine Safety Disclosures Section 1503 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the "Dodd-Frank Act") requires domestic mine operators to disclose violations and orders issued under the Mine Act by Mine Safety and Health Administration. We do not act as the owner of any mines, but we may act as a mining operator as defined under the Mine Act where we may be an independent contractor performing services or construction at such mine. Information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Act and Item 104 of Regulation S-K is included in Exhibit 95. Item 6. Exhibits The following documents are filed as Exhibits to this Report: 36 31.1 Chief Executive Officer Certification pursuant to Rule 13a-14(a)/15d-14(a). 31.2 Chief Financial Officer Certification pursuant to Rule 13a-14(a)/15d-14(a). 32.1 Certification of Chief Executive Officer pursuant to Section 1350. 32.2 Certification of Chief Financial Officer pursuant to Section 1350. 95 Mine Safety Disclosure. 101 The following financial information from our Company’s Quarterly Report on Form 10-Q, for the period ended March 28, 2021, formatted in Inline eXtensible Business Reporting Language: (i) Consolidated Balance Sheets (ii) Consolidated Statements of Income, (iii) Consolidated Statements of Comprehensive Income, (iv) Consolidated Statements of Equity, (v) Consolidated Statements of Cash Flows, (vi) Notes to Consolidated Financial Statements. 37 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Dated: April 30, 2021 TETRA TECH, INC. By: /s/ DAN L. BATRACK Dan L. Batrack Chairman and Chief Executive Officer (Principal Executive Officer) By: /s/ STEVEN M. BURDICK Steven M. Burdick Executive Vice President, Chief Financial Officer (Principal Financial Officer) By: /s/ BRIAN N. CARTER Brian N. Carter Senior Vice President, Corporate Controller (Principal Accounting Officer) 38