Exhibit 99.1 JAG Media Holdings, Inc. 6865 SW 18th Street Suite B13 Boca Raton, Florida 33433 (561) 393-0605 April 30, 2003 OIL@WORK Group, Inc. 11259 Goodnight Lane Suite 1121 Dallas, Texas 75229 Attn: Daniel E. Galloway Chief Executive Officer Re: Letter of Intent dated February 14, 2003, as amended ---------------------------------------------------- Gentlemen: Reference is hereby made to that certain Letter of Intent, dated February 14, 2003, among JAG Media Holdings, Inc. ("JAG Media"), OIL@WORK Group, Inc. ("OIL@WORK"), Daniel Galloway and Greg Goree, as first amended on April 15, 2003, regarding the proposed acquisition of OIL@WORK by JAG Media (the "Letter of Intent"). This letter evidences our mutual agreement that the reference to the Termination Date of April 30, 2003 as defined in Section 10 and used in Sections 2.1, 10 and 11 of the Letter of Intent is hereby amended to refer to May 30, 2003. Except as expressly modified hereby, the Letter of Intent shall remain in full force and effect and is hereby ratified and confirmed. [Signature Page Follows] JAG MEDIA HOLDINGS, INC. By: /s/ Gary Valinoti ----------------- Name: Gary Valinoti Title: President & CEO ACCEPTED AND AGREED as of the date first set forth above: OIL@WORK GROUP, INC. By: /s/ Daniel E. Galloway ---------------------- Name: Daniel E. Galloway Title: Chairman & CEO /s/ Daniel E. Galloway - ---------------------- Name: Daniel E. Galloway /s/ Greg Goree - -------------- Name: Greg Goree [Signature Page to Amendment to Letter of Intent]