ATN International, Inc. — fact timeline

ATN International, Inc. shareholders approved Ratification of independent registered public accounting firm at the 2026-06-16 meeting.

“Proposal 3 . Stockholders ratified the selection of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. The voting results for the proposal were as follows: Number of Number of Number of Number of Shares Voted Shares Voted Shares Broker For Against Abstained Non-Votes 13,146,006 531,065 2,062 N/A”

ATN International, Inc. shareholders approved Advisory vote on executive compensation at the 2026-06-16 meeting.

“Proposal 2 . Stockholders approved, on a non-binding, advisory basis, the compensation of the Company’s named executive officers. The voting results for the proposal were as follows: Number of Number of Number of Number of Shares Voted Shares Voted Shares Broker For Against Abstained Non-Votes 11,499,717 538,209 4,056 1,637,151”

ATN International, Inc. shareholders approved Election of directors at the 2026-06-16 meeting.

“Proposal 1 . Stockholders elected each of the seven director nominees identified below to serve on the Board of Directors until the Company’s next annual meeting of stockholders and until their respective successors are elected and qualified, subject to their earlier retirement, resignation or removal. The voting results for each director nominee were as follows: Number of Number of Number of Number of Shares Voted Shares Voted Shares Broker Non- For Against Abstained Votes April V. Henry 10,949,860 1,089,540 2,582 1,637,151 Bernard J. Bulkin 11,881,861 134,685 25,436 1,637,151 Derek G. Hudson 10,937,497 1,078,812 25,673 1,637,151 Michael T. Prior 11,651,897 387,265 2,820 1,637,151 Naji N. Khoury 11,930,919 108,480 2,583 1,637,151 Pamela F. Lenehan 10,447,149 1,591,749 3,084 1,637,151 Patricia A. Jacobs 10,857,157 1,181,892 2,933 1,637,151”

ATN International, Inc. completed a disposition involving EIP Holdings IV, LLC for up to $297 million in cash consideration (closed 2026-06-02).

“portfolio sites (representing the substantial majority of the applicable Commnet Parties’ tower portfolio and operations) to Everest (the “ Tower Sale Transaction ”) for up to $297 million in cash consideration (the “ Aggregate Consideration ”). On June 2, 2026 (the “ Initial Closing Date ”), the Commnet Parties and Everest completed the initial closing of the”

ATN International, Inc. reported first quarter ended March 31, 2026 results: revenue $182.2 million, net income $(2.8) million, or $(0.29) per share, EPS $(0.29) per share. Guidance reaffirmed.

“passed of 523,300 expanded by 24% supported by fixed wireless deployments in late 2025 · Total high-speed broadband subscribers grew 3% to 142,500 · Revenue increased 2% to $182 million, driven by modest growth in both the international and US segments · Operating income increased $9.0 million to $11.7 million, driven primarily by higher revenue, cost”

ATN International, Inc. updated its 2026 guidance (reaffirmed).

“Adjusted EBITDA 2 is expected to be in the range of $190 million to $200 million, excluding the impacts from the pending US tower portfolio sale 4 that was recently announced”

ATN International, Inc. reported financial results for three and twelve months ended December 31, 2025.

“On March 4, 2026, ATN International, Inc. (the “Company”) issued a press release announcing financial results for the three and twelve months ended December 31, 2025.”

ATN International, Inc. entered into Transaction Agreement with EIP Holdings IV, LLC, an affiliate of Everest Infrastructure Partners, Inc. valued at up to $297 million in cash consideration (effective 2026-02-11).

“certain subsidiaries of ATN International, Inc. (the “ Company ”), including Commnet Wireless, LLC, Arizona Nevada Tower Company, LLC, Commnet Four Corners, LLC, Commnet of Arizona, LLC, Commnet of Nevada, LLC, Excomm, LLC, and Mora Valley Wireless, LLC (collectively, the “ Commnet Parties ” and, individually, each a “ Commnet Party ”), entered into that certain Purchase and Sale Agreement (the “ Transaction Agreement ”) with EIP Holdings IV, LLC, an affiliate of Everest Infrastructure Partners, Inc. (“ Everest ”) to sell approximately 214 tower portfolio sites”

ATN International, Inc. reported the three months ended March 31, 2024 results: revenue $186.8 million, net income $(6.3) million, or a $(0.50) loss per share, EPS $(0.50) loss per share. Guidance lowered.

“and “Glass & Steel TM ” Strategies Drive Continued Year-Over-Year Growth in High-Speed Data Subscribers and Network Reach · First quarter revenues increased 1% to $186.8 million · Total high-speed broadband subscribers increased by 12% · Broadband homes passed by high-speed data services expanded by 28% · Capital expenditures were $36.0 million (net”

ATN International, Inc. reported financial results for the three months and year ended December 31, 2023.

“On February 21, 2024, ATN International, Inc. (the “Company”) issued a press release announcing financial results for the three months and year ended December 31, 2023.”

Carlos Doglioli was appointed as Chief Financial Officer at ATN International, Inc..

“appointed Mr. Carlos Doglioli as Chief Financial Officer of the Company, effective March 18, 2024.”

Justin Benincasa retired as Chief Financial Officer at ATN International, Inc..

“received notice from Justin Benincasa, the Company’s current Chief Financial Officer, of his retirement from the Company, effective March 18, 2024.”

Brad Martin was appointed as Chief Executive Officer at ATN International, Inc..

“appointed Brad Martin as Chief Executive Officer and as a director of the Company, effective January 1, 2024.”

Michael Prior was appointed as Executive Chairman at ATN International, Inc..

“appointed Mr. Prior as the Company’s Executive Chairman, effective on January 1, 2024.”

ATN International, Inc. updated its three and nine months ended September 30, 2023 guidance (reaffirmed).

“On October 25, 2023, ATN International, Inc. (the “Company”) issued a press release announcing financial results for the three and nine months ended September 30, 2023.”

ATN International, Inc. reported second quarter 2023 results: revenue $186.4 million, net income $0.8 million, EPS $(0.03) loss per share. Guidance reaffirmed.

“Grew revenue 4% to $186.4 million · Increased total high-speed subscribers by 22% · Expanded broadband homes passed by high-speed data services by 66% · Capital expenditures were $38.9 million (net of $4.9 million of reimbursements) Operating Income and Adjusted EBITDA Improvements Follow Subscriber and Revenue Growth · Increased net income to $0.8 million, or a $(0.03) loss per share”

ATN International, Inc. incurred term loan of six-year $130 million term loan facility with CoBank, ACB (as Administrative Agent), Fifth Third Bank, NA, and MUFG Bank, Ltd at SOFR plus applicable margin ranging from 2.00% to 3.75%, or base rate plus margi maturing July 13, 2029, with quarterly principal payments.

“On July 13, 2023, ATN International, Inc. (the "Company"), along with certain of its subsidiaries as guarantors, entered into a Credit Agreement with CoBank, ACB (“ CoBank ”), as Administrative Agent, Lead Arranger, Swingline Lender, an Issuing Lender and a Lender, (the “ Credit Agreement ”), Fifth Third Bank, NA, as Joint Lead Arranger and a Lender, and MUFG Bank, Ltd, as a Joint Lead Arranger and a Lender. Amount . The Credit Agreement provides for a five-year $170 million revolving credit facility (the “ Revolving Loan ”) and a six-year $130 million term loan facility (the “ Term Loan ” and collectively with the Revolving Loan, the “ Credit Facility ”).”

ATN International, Inc. incurred revolving credit of five-year $170 million revolving credit facility with CoBank, ACB (as Administrative Agent), Fifth Third Bank, NA, and MUFG Bank, Ltd at SOFR plus applicable margin ranging from 1.75% to 3.50%, or base rate plus margi maturing July 13, 2028.

“On July 13, 2023, ATN International, Inc. (the "Company"), along with certain of its subsidiaries as guarantors, entered into a Credit Agreement with CoBank, ACB (“ CoBank ”), as Administrative Agent, Lead Arranger, Swingline Lender, an Issuing Lender and a Lender, (the “ Credit Agreement ”), Fifth Third Bank, NA, as Joint Lead Arranger and a Lender, and MUFG Bank, Ltd, as a Joint Lead Arranger and a Lender. Amount . The Credit Agreement provides for a five-year $170 million revolving credit facility (the “ Revolving Loan ”) and a six-year $130 million term loan facility (the “ Term Loan ” and collectively with the Revolving Loan, the “ Credit Facility ”).”

ATN International, Inc. entered into Credit Agreement with CoBank, ACB valued at $170 million revolving credit facility and $130 million term loan facility (effective 2023-07-13).

“On July 13, 2023, ATN International, Inc. (the "Company"), along with certain of its subsidiaries as guarantors, entered into a Credit Agreement with CoBank, ACB (" CoBank "), as Administrative Agent, Lead Arranger, Swingline Lender, an Issuing Lender and a Lender, (the " Credit Agreement "), Fifth Third Bank, NA, as Joint Lead Arranger and a Lender, and MUFG Bank, Ltd, as a Joint Lead Arranger and a Lender.”

ATN International, Inc. shareholders approved Ratification of PricewaterhouseCoopers LLP as independent auditor at the 2023-06-06 meeting.

“Proposal 5 . Stockholders ratified the selection of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023. The voting results for the proposal were as follows: Number of Number of Number of Shares Voted Shares Voted Shares For Against Abstained 14,855,883 410,757 6,603”

ATN International, Inc. shareholders approved Frequency of future advisory votes on executive compensation at the 2023-06-06 meeting.

“Proposal 4 . A plurality of stockholders have submitted non-binding votes in favor of a frequency of future advisory votes on the compensation of our named executive officers to occur annually. The voting results for the proposal were as follows: 3 Years 2 Years 1 Year Abstain 5,828,068 65,883 7,709,455 13,173”

ATN International, Inc. shareholders approved Advisory vote on executive compensation at the 2023-06-06 meeting.

“Proposal 3 . Stockholders approved the compensation paid to our named executive officers by non-binding advisory vote. The voting results for the proposal were as follows: Number of Number of Number of Number of Shares Voted Shares Voted Shares Broker For Against Abstained Non-Votes 12,348,689 1,260,110 7,780 1,656,664”

ATN International, Inc. shareholders approved Approval of 2023 Equity Compensation Plan and reservation of shares at the 2023-06-06 meeting.

“Proposal 2 . Stockholders approved the adoption of the 2023 Equity Compensation Plan and the reservation of 1,400,00 shares of Company common stock for issuance therewith. The voting results for the proposal were as follows: Number of Number of Number of Number of Shares Voted Shares Voted Shares Broker For Against Abstained Non-Votes 9,374,348 4,228,854 13,377 1,656,664”

ATN International, Inc. shareholders approved Election of Directors at the 2023-06-06 meeting.

“Proposal 1 . Stockholders elected the nominees identified below as directors of the Company to hold office until the next annual meeting of stockholders and until their respective successors are elected and qualified, subject to their earlier retirement, resignation or removal. The voting results for each nominee were as follows: Number of Number of Number of Number of Shares Voted Shares Shares Broker Non- For Voted Against Abstained Votes Bernard J. Bulkin 9,646,833 3,942,897 26,849 1,656,664 Richard J. Ganong 12,548,525 1,044,835 23,219 1,656,664 April V. Henry 13,587,516 28,662 401 1,656,664 Derek Hudson 13,612,871 3,657 51 1,656,664 Patricia Jacobs 13,612,961 3,657 51 1,656,664 Pamela F. Lenehan 12,215,263 1,400,915 401 1,656,664 Michael T. Prior 13,488,675 127,853 51 1,656,664”

ATN International, Inc. updated its the quarter ended March 31, 2023 guidance (reaffirmed).

“On April 26, 2023, ATN International, Inc. (the “Company”) issued a press release announcing financial results for the three months ended March 31, 2023.”

ATN International, Inc.: Amended and restated bylaws to update advance notice requirements, special meeting convening requirements, and eliminate stockholder consent in lieu of meeting provisions (effective 2023-03-08).

“On March 8, 2023, the Board of Directors of the Company adopted amended and restated bylaws of the Company (the bylaws, as so amended and restated, the “Amended and Restated Bylaws”), effective immediately.”

ATN International, Inc. reported financial results for the three months and year ended December 31, 2022.

“On February 22, 2023, ATN International, Inc. (the “Company”) issued a press release announcing financial results for the three months and year ended December 31, 2022.”

ATN International, Inc. incurred credit facility of $40 million in additional Revolving Credit Commitment and $20 million in Additional Term Loan Commitment with Fifth Third Bank, National Association.

“On December 23, 2022, Alaska Communications Systems Group, Inc., a Delaware corporation and subsidiary of the Company drew $40 million in additional Revolving Credit Commitment and $20 million in Additional Term Loan Commitment under its revolving credit facility under its Credit Agreement, dated as of July 22, 2021 and as amended on December 23, 2022, by and between Alaska Communications Systems Group, Inc., Alaska Management, Inc., a Delaware corporation (“Holdings”), the other Guarantors identified on the signature pages hereto, the Lenders party hereto, and Fifth Third Bank, National Association, as Administrative Agent, an L/C Issuer and Swing Line Lender and Bank of the West, as an L/C Issuer.”

ATN International, Inc. amended Credit Agreement Amendment with CoBank, ACB valued at Allowed for joinder of new subsidiaries as guarantors and approval of certain transactions in connec (effective 2022-11-07).

“On December 28, 2022 (the " Amendment Date "), the Company, along with certain of its subsidiaries as guarantors, entered into an Amendment Agreement with CoBank, ACB (" CoBank "), as Administrative Agent, (the " Credit Agreement Amendment ")., effective as of November 7, 2022. The Credit Agreement Amendment amends the Fourth Amended and Restated Credit Agreement, dated as of December 19, 2014, as amended, between the Company, CoBank, and the guarantors and lenders party thereto (the " CoBank Credit Agreement ") to, among other things, allow for the joinder of certain new subsidiaries as guarantors and approve of certain transactions contemplated in connection of the Company’s recently completed acquisition of Sacred Wind Enterprises, Inc.”

ATN International, Inc. amended First Amendment Agreement to ACS Credit Agreement with Fifth Third Bank, National Association and Bank of the West valued at Increased aggregate Revolving Credit Commitment from $35 million to $75 million and Term Loan Commit (effective 2022-12-23).

“On December 23, 2022, Alaska Communications Systems Group, Inc., a Delaware corporation and subsidiary of the Company, Alaska Management, Inc., a Delaware corporation, the other Guarantors, the Lenders, and Fifth Third Bank, National Association, as Administrative Agent, an L/C Issuer and Swing Line Lender and Bank of the West, as an L/C Issuer, entered into a First Amendment Agreement (the "ACS Amendment"). The ACS First Amendment amends to the Credit Agreement, dated as of July 22, 2021 between the Borrower, Holdings and the Lenders therein (the "ACS Credit Agreement") to, among other things, increase the aggregate Revolving Credit Commitment from $35 million to $75 million and Term Loan Commitments from $210 million to $230 million (each as defined in the ACS Credit Agreement).”

ATN International, Inc. amended Receivables Credit Agreement Amendment with CoBank, ACB valued at Extended the draw period under the delayed draw term loan to December 31, 2023. (effective 2022-12-22).

“On December 23, 2022, ATN International, Inc., a Delaware corporation (the " Company "), Commnet Wireless, LLC, a Delaware limited liability company and subsidiary of the Company (" Commnet Wireless "), and Commnet Finance, LLC, a Delaware limited liability company and a wholly owned subsidiary of Commnet Wireless (" Commnet Finance "), entered into an Amendment and Confirmation Agreement with CoBank, ACB (" CoBank "), as Administrative Agent, Lead Arranger and Sole Bookrunner, and the Lenders party thereto (the " Receivables Credit Agreement Amendment "), effective as of December 22, 2022. The Receivables Credit Agreement Amendment is the second amendment to the Credit Agreement, dated as of March 26, 2020 between Commnet Wireless, Commnet Finance, the Company, and CoBank (the " Receivables Credit Agreement ") to, among other things, extend the draw period under the delayed draw term loan to December 31, 2023.”

April V. Henry was appointed as director at ATN International, Inc..

“On March 14, 2022, April V. Henry was appointed as a director of ATN International, Inc.”