BILLERICA, Mass., May 24 /PRNewswire/ -- Peritus Software Services, Inc. (OTC Bulletin Board: PTUS), a provider of solutions for software maintenance, today announced its financial results for the three months ended March 31, 1999. Total revenue decreased 50.5% to $4,667,000 from $9,433,000 in the three months ended March 31, 1998. The net loss decreased 41.7% to $1,959,000 ($0.12 per share) from the net loss of $3,358,000 ($0.21 per share) in the three months ended March 31, 1998. Detailed results and commentary are contained in the Company's Form 10-Q which was filed today with the U.S. Securities and Exchange Commission via the EDGAR system. About Peritus Founded in 1991, Peritus Software Services, Inc. is a provider of software maintenance outsourcing services. Peritus is headquartered in Billerica, MA. For more information, see the Peritus web site at http://www.peritus.com .  