and Exhibits 99.1 and 99.2 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing. Beginning in the fourth quarter…

Other Events. Underwriting Agreement On May 19, 2026, Viavi Solutions Inc. (the “ Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Stifel, Nicolaus & Company, Incorporated (“Stifel”) and Needham & Company, LLC (“Needham & Company”), as representatives of the several underwriters named therein (collectively, the “Underwriters”), relating to the public offering, issuance and sale (the “ Offering”) of 11,111,111 shares of the Company’s common stock, par value…

Audit Committee Chair — Joanne Solomon: Rotation of Audit Committee chairpersons as part of board refreshment and succession planning.

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Costs Associated with Exit and Disposal Activities. On January 23, 2026, the Company approved a restructuring plan (the “Plan”) to improve operational efficiencies, better align the Company’s workforce with current business needs and strategic growth opportunities and includes integration of recently acquired businesses. The Plan includes a global workforce reduction, facilities rationalization and asset write-offs. The Company expects approximately 5% of its global workforce to be affected.…

Entry into a Material Definitive Agreement. On December 15, 2025, Viavi Solutions Inc. (the “Company”) entered into separate, privately negotiated agreements (the “Exchange Agreements”) with a limited number of existing holders (the “Transaction Participants”) of the Company’s currently outstanding 1.625% Convertible Senior Notes due 2026 (the “2026 Notes”). The Transaction Participants are institutional “accredited investors” (within the meaning of Rule 501(a)(1), (2), (3) or (7) of Regulati…

Unregistered Sales of Equity Securities. The information set forth under

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth in Section 1.01 of this Current Report on Form 8-K is incorporated herein by reference.

Entry into a Material Definitive Agreement. On October 16, 2025 (the “Closing Date”), Viavi Solutions Inc. (the “Company”) completed its previously announced acquisition of Spirent Communications plc’s high-speed ethernet, network security and channel emulation testing business from Keysight Technologies, Inc. (the “Transaction”). In connection with the closing of the Transaction on the Closing Date, the Company entered into a term loan credit agreement (the “Term Loan Credit Agreement”) with…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Unregistered Sales of Equity Securities. The information set forth under

Entry into a Material Definitive Agreement. On August 20, 2025, in connection with the consummation of previously announced private transactions, Viavi Solutions Inc. (the “Company”) issued $250 million aggregate principal amount of its 0.625% Senior Convertible Notes due 2031 (the “New Notes”) under an Indenture, dated August 20, 2025 (the “Indenture”), between the Company and U.S. Bank Trust Company, National Association, as trustee. The Company issued approximately $100.9 million aggregate…

Unregistered Sales of Equity Securities. As previously reported, on August 13, 2025, Viavi Solutions Inc. (the “Company”) entered into privately negotiated exchange and/or subscription agreements with certain holders of its 1.625% Senior Convertible Notes due 2026 (the “2026 Notes”) and certain new investors pursuant to which the Company will issue $250 million aggregate principal amount of its 0.625% Senior Convertible Notes due 2031 (the “New Notes”) consisting of (a) approximately $100.9 m…

Director — Richard Burns, Eugenia Corrales: The filing reports the appointment of two new independent directors and their subsequent committee assignments, which is a routine governance update rather than an executive departure.

Other Events. On August 13, 2025, Viavi Solutions Inc. (the “Company”) entered into privately negotiated exchange and/or subscription agreements with certain holders of its 1.625% Senior Convertible Notes due 2026 (the “2026 Notes”) and certain new investors pursuant to which the Company will issue $250 million aggregate principal amount of its 0.625% Senior Convertible Notes due 2031 (the “New Notes”) consisting of (a) approximately $100.9 million principal amount of New Notes in exchange fo…

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Director — Richard Burns, Eugenia Corrales: The filing discloses the appointment of two new independent directors to fill vacancies, which is a standard board composition update rather than an executive departure.

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Entry into a Definitive Material Agreement. On March 2, 2025, Viavi Solutions Inc. (“VIAVI” or the “Company”) entered into an Asset Purchase Agreement (the “Purchase Agreement”), with Keysight Technologies, Inc. (“Keysight”) under which the Company will purchase the high-speed ethernet and network security business lines (the “High-Speed Ethernet and Network Security Business”) of Spirent Communications plc (“Spirent”), conditioned upon, and effective shortly after the closing of Keysight’s p…

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

and Exhibit 99.1 of this Current Report on Form 8-K is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Costs Associated with Exit and Disposal Activities. As recently communicated, Viavi Solutions Inc.’s end markets spend environment continues to be challenging, particularly in the service providers and enterprise customer segments and we expect the conservative spend environment to persist for the remainder of calendar year 2024. In light of this, on June 13, 2024, the Company approved a restructuring and workforce reduction plan (the “FY2024 Plan”) across various functions intended to improv…