Exhibit 10.1
Execution Version
REFINANCING AMENDMENT
TO CREDIT AGREEMENT
REFINANCING AMENDMENT TO CREDIT AGREEMENT, dated as of January 17, 2025 (this Amendment), by and among Ciena
Corporation, a Delaware corporation (the Borrower), the other Loan Parties party hereto, the Refinancing Term Lenders (as defined below) (which constitute the Required Lenders) and Bank of America, N.A., as administrative agent
(in such capacity, the Administrative Agent).
RECITALS:
WHEREAS, reference is hereby made to the Credit Agreement, dated as of July 15, 2014 (as amended by the First Amendment, dated as of
April 15, 2015, the Second Amendment, dated as of July 2, 2015, the Incremental Joinder and Amendment Agreement, dated as of April 25, 2016, the Omnibus Refinancing Amendment to Credit Agreement, Security Agreement and Pledge
Agreement, dated as of January 30, 2017, the Third Amendment to Credit Agreement dated as of June 29, 2017, the Increase Joinder and Refinancing Amendment, dated as of September 28, 2018, the Refinancing Amendment to Credit Agreement
dated as of January 23, 2020, the Incremental Joinder and Amendment Agreement dated as of January 19, 2023, the Incremental Amendment Agreement dated as of October 24, 2023 and as further amended, restated, amended and restated,
supplemented or otherwise modified from time to time prior to the date hereof, the Existing Credit Agreement and, as amended by this Amendment, the Credit Agreement), by and among the Borrower, the lenders from
time to time party thereto and the Administrative Agent (capitalized terms used but not otherwise defined herein having the meanings provided in the Credit Agreement);
WHEREAS, the Loan Parties and the Administrative Agent are parties to that certain Security Agreement, dated as of July 15, 2014 (as
amended by the Omnibus Amendment to Security Agreement and Pledge Agreement, dated as of September 28, 2018 and the Incremental Amendment Agreement dated as of October 24, 2023 and as further amended, restated, amended and restated,
supplemented or otherwise modified from time to time prior to the date hereof, the Existing Security Agreement and, as amended by this Amendment, the Security Agreement);
WHEREAS, the Guarantors and the Administrative Agent are parties to that certain Guaranty, dated as of July 15, 2014 (as supplemented by
the Guaranty Supplement, dated as of April 19, 2019, by Blue Planet Software Inc., the Guaranty Supplement, dated as of April 19, 2019, by Ciena Communications International, LLC and the Incremental Amendment Agreement dated as of
October 24, 2023 and as further amended, restated, amended and restated, supplemented or otherwise modified from time to time prior to the date hereof, the Existing Guaranty and, as amended by this Amendment, the
Guaranty);
WHEREAS, the Borrower, by this Amendment, hereby notifies the Administrative Agent pursuant to
Section 2.14 of the Existing Credit Agreement, the receipt of which is hereby acknowledged, of its request for Credit Agreement Refinancing Indebtedness in the form of Refinancing Term Loans (as defined below) in an aggregate principal amount
of $1,158,300,000 to refinance all of the New 2023 Incremental Term Loans outstanding immediately prior to the Refinancing Amendment Effective Date (as defined below) (the Existing Term Loans; and the Term Lenders with respect
thereto, the Existing Term Lenders).
WHEREAS, each Person that agrees to make Refinancing Term Loans (collectively,
the Refinancing Term Lenders) will make such Refinancing Term Loans to the Borrower on the Refinancing Amendment Effective Date (the Refinancing Term Loans) in the amount of its Refinancing Term Commitment (as
defined below);