EX-99 3 jointfilerinformation.txt JOINT FILER Joint Filer Information Designated Filer: El Paso Corporation Issuer & Ticker Symbol: GulfTerra Energy Partners, L.P. (GTM) Date of Event Requiring Statement: 12/15/03 Joint Filers: DeepTech International Inc. Address: 1001 Louisiana Street Houston, Texas 77002 Signature: El Paso Energy Partners Company, L.L.C. Address: 1001 Louisiana Street Houston, Texas 77002 Signature: El Paso EPN Investments, L.L.C. Address: 1001 Louisiana Street Houston, Texas 77002 Signature: