[PROXY CARD] CREDIT SUISSE INSTITUTIONAL FUND, INC. EMERGING MARKETS PORTFOLIO PROXY SOLICITED BY THE BOARD OF DIRECTORS I hereby appoint Hal Liebes and Gregory Bressler, each with the power of substitution, as proxies for the undersigned to vote the shares of the Emerging Markets Portfolio of Credit Suisse Institutional Fund, Inc. (the "Fund") as to which I am entitled to vote, as shown on the reverse side, at a Special Meeting of the Shareholders of the Fund (the "Meeting") to be held on Friday, July 14, 2000, at 3:00 p.m., Eastern Time, at the offices of the Fund, 466 Lexington Avenue, New York, New York 10017, and any adjournments thereof, as follows: I hereby revoke any and all proxies with respect to such shares previously given by me. I acknowledge receipt of the Joint Proxy Statement dated May 31, 2000. THIS PROXY WILL BE VOTED AS SPECIFIED. IF NO SPECIFICATION IS MADE, THIS PROXY WILL BE VOTED "FOR" PROPOSAL 1. This instruction may be revoked at any time prior to its exercise at the Meeting by execution of a subsequent proxy card, by written notice to the Secretary of the Fund or by voting in person at the Meeting. PLEASE SIGN, DATE AND RETURN THIS PROXY CARD PROMPTLY IN THE ENCLOSED ENVELOPE. Signature should be exactly as the name or names appear on this proxy card. If the individual signing the proxy card is a fiduciary (e.g., attorney, executor, trustee, guardian, etc.), the individual's signature must be followed by his full title. HAS YOUR ADDRESS CHANGED? DO YOU HAVE ANY COMMENTS? - - - - ------------------------ ------------------------ - - - - ------------------------ ------------------------ - - - - ------------------------ ------------------------ 1 [REVERSE SIDE] [ ] PLEASE MARK VOTES AS IN THIS EXAMPLE . VOTE THIS CARD TODAY! THE BOARD OF DIRECTORS OF THE FUND UNANIMOUSLY BY MAIL, BY PHONE AT RECOMMENDS A VOTE FOR PROPOSAL 1. 1-800-207-3155, BY FAX AT 212-269-2796 OR ON-LINE AT www.warburg.com This proxy, if properly executed, For Against Abstain will be voted in 1) To approve the Sub-Investment this manner directed by the Advisory Agreement among the Fund, [ ] [ ] [ ] undersigned shareholder. Credit Suisse Asset Management, LLC IF NO DIRECTION IS MADE, THIS and Credit Suisse Asset Management PROXY WILL Limited with respect to the Emerging BE VOTED "FOR" Markets Portfolio. APPROVAL OF PROPOSAL 1. 2) Not applicable. 3) To transact such other business as may properly come before the Meeting or any adjournment thereof. Please be sure to sign and date Mark box at right if comments or address change this Proxy. Date have been noted on the reverse side. [ ] Shareholder sign here Co-owner sign here: - - - - ------------------- ------------------- DETACH CARD 2