<Page> UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant /X/ Filed by a party other than the Registrant / / Check the appropriate box: / / Preliminary Proxy Statement / / CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) / / Definitive Proxy Statement /X/ Definitive Additional Materials / / Soliciting Material Pursuant to Section 240.14a-12 THE THAI CAPITAL FUND, INC. - -------------------------------------------------------------------------------- (Name of Registrant as Specified In Its Charter) - -------------------------------------------------------------------------------- (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of Filing Fee (Check the appropriate box): /X/ No fee required. / / Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11. (1) Title of each class of securities to which transaction applies: ------------------------------------------------------------------------ (2) Aggregate number of securities to which transaction applies: ------------------------------------------------------------------------ (3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined): ------------------------------------------------------------------------ (4) Proposed maximum aggregate value of transaction: ------------------------------------------------------------------------ (5) Total fee paid: ------------------------------------------------------------------------ / / Fee paid previously with preliminary materials. / / Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing. (1) Amount Previously Paid: ------------------------------------------------------------------------ (2) Form, Schedule or Registration Statement No.: ------------------------------------------------------------------------ (3) Filing Party: ------------------------------------------------------------------------ (4) Date Filed: ------------------------------------------------------------------------ <Page> ADJOURNMENT NOTICE THE THAI CAPITAL FUND, INC. c/o Daiwa Securities Trust Company One Evertrust Plaza Jersey City, New Jersey 07302-3051 Dear Stockholder, Recently we mailed to you proxy information regarding the June 2, 2005 Annual Meeting of Stockholders of The Thai Capital Fund, Inc. Since there were not enough shares represented at the Meeting to decide on Proposal 2, to approve an amendment to the Fund's Investment Contract, the Meeting to vote on Proposal 2 has been adjourned to June 24, 2005, to give shareholders additional time to vote. We are mailing this letter only to those stockholders who, according to our records, STILL HAVE NOT VOTED at the time of this mailing. PLEASE HELP YOUR FUND TO HOLD THE VOTE ON PROPOSAL 2 BY TAKING A MOMENT NOW TO CAST YOUR VOTE. Proposal 2 is noted on the enclosed proxy card. The details of Proposal 2 can be found in the proxy statement, which was originally mailed to you on or about May 9, 2005. Should you need any additional information on Proposal 2 or to vote over the phone, please do not hesitate to CALL US TOLL-FREE AT 1-800-441-2738. Representatives are available Monday through Saturday from 9:00 a.m. to 10:00 p.m. Eastern Time. The voting options listed below have been set up for your convenience. Help us to hold the vote on Proposal 2 by taking a moment to CAST YOUR VOTE TODAY. Thank you for your assistance with this important matter. Respectfully, Ikuo Mori Chairman of the Board of The Thai Capital Fund, Inc. [GRAPHIC] 1. VOTE BY TELEPHONE. You may cast your vote by telephone by calling toll-free 1-800-441-2738 Monday through Saturday from 9:00 a.m. to 10:00 p.m. Eastern Time. [GRAPHIC] 2. VOTE BY INTERNET. You may cast your vote by logging on to the internet site found on your proxy ballot. <Page> [GRAPHIC] 3. VOTE BY MAIL. You may cast your vote by mail by signing, dating and mailing the enclosed proxy card in the postage-prepaid return envelope provided. IF CONVENIENT FOR YOU, PLEASE UTILIZE ONE OF THE ABOVE OPTIONS (PHONE OR INTERNET TO INSURE THAT YOUR RESPONSE IS RECEIVED IN TIME FOR THE ADJOURNED MEETING ON JUNE 24TH).