Exhibit 99.1

FOR FURTHER INFORMATION:

Triple-S Management Finalizes Contract for Five Regions of Puerto Rico Medicaid Plan

SAN JUAN, Puerto Rico, October 18, 2011 – Triple-S Management Corporation (NYSE:GTS), the largest managed care company in Puerto Rico, announced that its Triple-S Salud subsidiary signed yesterday a definitive agreement with the Puerto Rico Health Insurance Administration (ASES) to administer healthcare services for the Metro North, North, San Juan, Northeast and West regions of Puerto Rico’s health insurance program (Medicaid), known as MiSalud.

The MiSalud program currently services approximately 840,000 members in these regions. Under the contract, which has a 20-month term commencing November 1, 2011, Triple-S Salud will receive a monthly per-member, per-month administrative fee for its services and will not bear the insurance risk of the program.

Ramón M. Ruiz-Comas, President and Chief Executive Officer of Triple-S noted, “We are pleased to have executed an administrative services only (ASO) contract with the Puerto Rican government, a model with which we have had successful prior experience. While we expect this contract to be accretive to our 2012 earnings, we will incur approximately $3.0 million in immediate set-up and infrastructure expansion costs in order to commence servicing these members and to address their healthcare needs.”

As previously announced, the Company will provide updated guidance during its November 2, 2011 quarterly conference call.

About Triple-S Management Corporation

Triple-S Management Corporation is an independent licensee of the Blue Cross Blue Shield Association. It is the leading player in the managed care industry in Puerto Rico. Triple-S Management also has the exclusive right to use the Blue Cross Blue Shield name and mark throughout Puerto Rico and the U.S. Virgin Islands. With more than 50 years of experience in the industry, Triple-S Management offers a broad portfolio of managed care and related products in the Commercial and Medicare Advantage markets under the Blue Cross Blue

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Shield brand through its subsidiary Triple-S Salud, Inc. and effective February 2011, also offer non-branded Medicare products through American Health Inc. In addition to its managed care business, Triple-S Management provides non-Blue Cross Blue Shield branded life and property and casualty insurance in Puerto Rico.

For more information about Triple-S Management, visit www.triplesmanagement.com or contact kwaller@allwayscommunicate.com.

Forward-Looking Statements

This document contains forward-looking statements, as defined in the Private Securities Litigation Reform Act of 1995. Forward-looking statements include information about possible or assumed future sales, results of operations, developments, regulatory approvals or other circumstances. Sentences that include “believe”, “expect”, “plan”, “intend”, “estimate”, “anticipate”, “project”, “may”, “will”, “shall”, “should” and similar expressions, whether in the positive or negative, are intended to identify forward-looking statements.

All forward-looking statements in this news release reflect management’s current views about future events and are based on assumptions and subject to risks and uncertainties. Consequently, actual results may differ materially from those expressed here as a result of various factors, including all the risks discussed and identified in public filings with the U.S. Securities and Exchange Commission (SEC).

In addition, the Company operates in a highly competitive, constantly changing environment, influenced by very large organizations that have resulted from business combinations, aggressive marketing and pricing practices of competitors, and regulatory oversight. The following factors, if markedly different from the Company’s planning assumptions (either individually or in combination), could cause Triple-S Management’s results to differ materially from those expressed in any forward-looking statements shared here:

This list is not exhaustive. Management believes the forward-looking statements in this release are reasonable. However, there is no assurance that the actions, events or results

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anticipated by the forward-looking statements will occur or, if any of them do, what impact they will have on the Company’s results of operations or financial condition. In view of these uncertainties, investors should not place undue reliance on any forward-looking statements, which are based on current expectations. In addition, forward-looking statements are based on information available the day they are made, and (other than as required by applicable law, including the securities laws of the United States) the Company does not intend to update or revise any of them in light of new information or future events.

Readers are advised to carefully review and consider the various disclosures in the Company’s SEC reports.

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