117 Exhibit (10)(o) SECOND AMENDMENT TO CREDIT AGREEMENT Dated as of July 30, 1999 Among BOSTON CELTICS LIMITED PARTNERSHIP II, the Borrower and THE ROYAL BANK OF SCOTLAND plc, the Lender and CITIZENS BANK OF MASSACHUSETTS, the Agent SECOND AMENDMENT TO CREDIT AGREEMENT This SECOND AMENDMENT TO CREDIT AGREEMENT is entered into as of July 30, 1999 by and among BOSTON CELTICS LIMITED PARTNERSHIP II, a Delaware limited partnership (the "Borrower"), THE ROYAL BANK OF SCOTLAND plc, as the Lender party to the Credit Agreement referred to below (the "Lender"), and CITIZENS BANK OF MASSACHUSETTS, as Agent (the "Agent") under the Credit Agreement referred to below. Recitals -------- The Borrower, the Lender and the Agent are parties to a Credit Agreement dated as of May 20, 1998 (as amended, the "Credit Agreement"). The Borrower desires to amend the Credit Agreement in certain respects, and the Lender is willing to do so on the terms stated herein. All capitalized terms used herein and not otherwise defined shall have the meanings set forth in the Credit Agreement. NOW, THEREFORE, the Borrower, the Lender and the Agent hereby agree as follows: Section 1. Definitions. Section 1.1 of the Credit Agreement is hereby amended by deleting the definition of "Borrowing Base" in its entirety and substituting therefor a new definition as follows: "Borrowing Base" shall mean an amount equal to 80% of Eligible Pledged Collateral. Section 2. Amendment of Covenants. Article 7 of the Credit Agreement is hereby amended by deleting Section 7.1 thereof in its entirety and substituting therefor the following: "Section 7.1 [Intentionally Omitted]." 118 Section 3. Representations and Warranties; No Default. The Borrower hereby confirms to the Agent and the Lender, the representations and warranties of the Borrower set forth in Article 5 of the Credit Agreement (as amended hereby) as of the date hereof, as if set forth herein in full. The Borrower hereby certifies that no Default exists under the Credit Agreement. Section 4. Miscellaneous. The Borrower agrees to pay on demand all the Agent's reasonable expenses in preparing, executing and delivering this Second Amendment to Credit Agreement, and all related instruments and documents, including, without limitation, the reasonable fees and out-of- pocket expenses of the Agent's special counsel, Goodwin, Procter & Hoar LLP. This Second Amendment to Credit Agreement shall be a Lender Agreement and shall be governed by and construed and enforced under the laws of The Commonwealth of Massachusetts. IN WITNESS WHEREOF, the Borrower, the Lender and the Agent have caused this Second Amendment to Credit Agreement to be executed by their duly authorized officers as of the date first set forth above. BOSTON CELTICS LIMITED PARTNERSHIP II By: Celtics, Inc., its General Partner By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President, Chief Operating Officer, Chief Financial Officer, Treasurer and Secretary THE ROYAL BANK OF SCOTLAND plc By: /s/ Scott Barton ---------------------------------- Name: Scott Barton Title: Vice President CITIZENS BANK OF MASSACHUSETTS, as Agent By: /s/ Lori B. Leeth ---------------------------------- Name: Lori B. Leeth Title: Senior Vice President 119 The undersigned acknowledge that (a) they have received and reviewed a copy of this Second Amendment to Credit Agreement and (b) their obligations under the BCCLP Credit Support Agreement, the CCC Pledge Agreement, the Boston Celtics Limited Partnership Credit Support Agreement, the Celtics Basketball Holdings, L.P. Credit Support Agreement, the Celtics Limited Partnership Credit Support Agreement, the Celtic Pride Credit Support Agreement and the other Lender Agreements executed by the undersigned shall continue in full force and effect. CELTICS CAPITAL CORPORATION By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President and Chief Financial Officer BCCLP HOLDING CORPORATION By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President and Chief Financial Officer BOSTON CELTICS LIMITED PARTNERSHIP By: Boston Celtics Limited Partnership GP, Inc. By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President and Chief Financial Officer CELTICS BASKETBALL HOLDINGS, L.P. By: Boston Celtics Corporation By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President and Chief Financial Officer CELTICS LIMITED PARTNERSHIP By: Boston Celtics Corporation By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President and Chief Financial Officer 120 CELTICS PRIDE By: Celtics Limited Partnership By: /s/ Richard Pond ---------------------------------- Name: Richard Pond Title: Executive Vice President and Chief Financial Officer 121