Exhibit 10.19 AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT -------------------------------------------------------------- This Amendment No. 1 (the "Amendment") to that certain Series E Preferred Stock Purchase Agreement (the "Original Agreement") dated as of February 22, 1996 by and among Production Group International, Inc., a Virginia corporation (the "Company"), and the investors listed on Schedule A thereto, each of which is herein referred to as a "Prior Series E Investor" and collectively as the "Prior Series E Investors," is made as of June 19, 1996 (the "Effective Date") by and among the Company and the Prior Series E Investors that have executed this Amendment (collectively, the "Amending Investors"). Capitalized terms not otherwise defined in this Amendment shall have the meaning set forth in the Original Agreement. WHEREAS, the Amending Investors hold a majority of the Common Stock issued or issuable upon conversion of the Series E Preferred Stock; and WHEREAS, the Company and the Amending Investors desire to amend the Original Agreement; and WHEREAS, the Amending Investors constitute the holders of at least 60% of the outstanding securities held by "Investors" and "Prior Investors" as defined for purposes of that certain Second Restated Investors' Rights Agreement (the "Rights Agreement") dated as of February 22, 1996 between the Company and the parties thereto. THE PARTIES HEREBY AGREE AS FOLLOWS: 1. Section 1.3(d), which currently reads as follows: "(d) in the event that such put option is exercised for less than the total number of shares of Series E Preferred Stock set forth on Schedule A hereto, such put option shall be exercised with respect to each Investor on a pro-rata basis;" shall be amended in its entirety to read as follows: "(d) in the event that such put option is exercised for less than the total number of shares of Series E Preferred Stock set forth on Schedule A hereto, such put option shall be exercised with respect to each Investor on a pro-rata basis, based upon the number of shares of Series E Preferred Stock set forth opposite each Investor's name, less the number of shares of Series E Preferred Stock previously purchased by such Investor pursuant to Sections 1.2 or 1.3;" 2. Section 1.5, which currently reads as follows: "1.5 Additional Investors. The Company may, until sixty (60) -------------------- days after the Effective Date, add new parties to this Agreement, provided, that (a) such new parties execute signature pages to this Agreement and the other agreements referenced herein, and are subject to the terms and conditions of this Agreement and the other agreements referenced herein and shall be deemed an "Investor" for purposes of this Agreement; (b) Schedule A is amended accordingly; (c) the Company promptly notifies each Investor of such new party or parties and concurrently distributes an amended Schedule A; and (d) the aggregate amount of shares of additional Series E Preferred Stock represented by such new parties does not exceed 598,804 shares." shall be amended in its entirety to read as follows: "1.5 Additional Investors and Subscription Amounts. The Company --------------------------------------------- may, until June 30, 1996, either add new parties to this Agreement, or agree with an Investor to increase the number of shares of Series E Preferred Stock set forth opposite such Investor's name, provided, that (a) in the event a new party is added to this Agreement, such new party executes signature pages to this Agreement and the other agreements referenced herein, and is subject to the terms and conditions of this Agreement and the other agreements referenced herein and shall be deemed an "Investor" for purposes of this Agreement; (b) in the event the number of shares of Series E Preferred Stock for an Investor is increased, the Company and such Investor both execute a written document documenting such increase, (c) in either event, Schedule A is amended accordingly; (c) in either event, the Company promptly notifies each Investor of such new party or parties or such increase for an existing Investor and concurrently distributes an amended Schedule A; and (d) the aggregate amount of shares of Series E Preferred Stock set forth on Schedule A and available to be sold pursuant to this Agreement does not exceed 1,796,407 shares." 3. Schedule A to the Original Agreement is hereby amended in its entirety as of the date hereof to read as set forth in Schedule A attached hereto. 4. The Amending Investors hereby waive the provisions of Section 2 of the Rights Agreement with respect to any additional issuances of Series E Preferred Stock pursuant to the Original Agreement and any amendments thereto, including without limitation, pursuant to this Amendment. Such waiver also includes waiver of the notice provisions in such Section 2. 5. Except as specifically provided herein, the Original Agreement shall remain in full force and effect. [REST OF PAGE LEFT INTENTIONALLY BLANK] -2- IN WITNESS WHEREOF, the parties have executed this Amendment No. 1 as of the Effective Date. PRODUCTION GROUP INTERNATIONAL, INC. By: --------------------------------- Mark N. Sirangelo, President Address: One Courthouse Metro Suite 200 2200 Wilson Boulevard Arlington, Virginia 22201 MELLON BANK, N.A., solely in its capacity as Trustee for the First Plaza Group Trust (as directed by General Motors Investment Management Corporation), and not in its individual capacity By: --------------------------------------------- Name: ------------------------------------------- Title: ------------------------------------------ Address: One Mellon Bank Center Pittsburgh, PA 15258-0001 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT SIERRA VENTURES IV, a California Limited Partnership By its General Partner, SV ASSOCIATES IV, L.P., a California Limited Partnership By: ----------------------------------------- Peter C. Wendell General Partner Address: 3000 Sand Hill Road, Bldg 4, Suite 210 Menlo Park, California 94025 SIERRA VENTURES IV INTERNATIONAL, a California Limited Partnership By its General Partner, SV ASSOCIATES IV, L.P., a California Limited Partnership By: ----------------------------------------- Peter C. Wendell General Partner Address: 3000 Sand Hill Road, Bldg 4, Suite 210 Menlo Park, California 94025 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT MERIFIN CAPITAL N.V. By: Finabel S.A., Managing Director By: --------------------------------------- Name: ------------------------------------- Title: ------------------------------------ Address: c/o Finabel S.A. 254 Route de Lausanne CH-1292 Geneva, Chambesy, Switzerland Attn: Guillaume de Rham With a copy to: Merifin Capital 200 Park Avenue, 25th Floor New York, NY 10166 Attn: Christopher Wright SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT ORCHID & CO., nominee for T. Rowe Price Theshold Fund III, L.P. By: T. Rowe Price Threshold Fund Associates, Inc. General Partner By: ----------------------------------- Name: --------------------------------- Title: -------------------------------- Address: 100 East Pratt Street Baltimore, Maryland 21202 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT TRIDENT CAPITAL PARTNERS FUND-I, L.P., a Limited Partnership By: TRIDENT CAPITAL, L.P., a Delaware Limited Partnership Title: General Partner By: TRIDENT CAPITAL, INC. Title: General Partner By: --------------------------- Robert C. McCormack Address: 2480 Sand Hill Road, Suite 201 Menlo Park, California 94025 190 South La Salle Street, Suite 2760 Chicago, Illinois 60603 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT TRIDENT CAPITAL PARTNERS FUND-I, C.V., a Netherlands Antilles Limited Partnership By: TRIDENT CAPITAL, L.P., a Delaware Limited Partnership Title: Investment General Partner By: TRIDENT CAPITAL, INC. Title: General Partner By: -------------------------------------- Robert C. McCormack, Co-Chairman Address: 2480 Sand Hill Road, Suite 201 Menlo Park, California 94025 190 South La Salle Street, Suite 2760 Chicago, Illinois 60603 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT MERCURY PARTNERS, LLC By: ------------------------------ Bradley W. de Koning Managing Director Address: Mercury Partners, LLC 11100 Santa Monica Blvd. Suite 2020 Los Angeles, CA 90025 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT ------------------------------------------ Frederic C. Hamilton Address: c/o The Hamilton Companies 1560 Broadway, Suite 2200 Denver, Colorado 80202 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT WLD/LAMONT PARTNERS By: ----------------------------------- Douglas S. Luke General Partner Address: One E. Broward Blvd. Suite 1101 Ft. Lauderdale, FL 33301 SIGNATURE PAGE TO AMENDMENT NO. 1 TO SERIES E PREFERRED STOCK PURCHASE AGREEMENT SCHEDULE A SCHEDULE OF INVESTORS Series E Preferred Stock ------------------------ Number of Shares of Series E Name and Address Preferred Stock ---------------- --------------- Mellon Bank, N.A., as Trustee 479,042 for First Plaza Group Trust Sierra Ventures IV, L.P. 201,511 Sierra Ventures IV International 8,069 Merifin Capital N.V. 119,760 Orchid & Co. 59,880 Trident Capital 49,991 Partners Fund-I, L.P. Trident Capital 9,889 Partners Fund-I, C.V. Michael P. Galvin 1994 Trust 59,880 Mercury Partners, LLC 59,880 Frederic C. Hamilton 59,880 WLD/Lamont Partners 479,042 ABS Employees' Venture Fund, L.P. 55,151 TOTAL 1,641,975