AETNA <AET> REACHES AGREEMENT TO BUY COMPANY Aetna Life and Casualty Co said it reached an agreement to acquire a 49 pct interest in Universal Life and General Insurance Sdn Bhd <ULG>, a Malaysian composite insurance company. The company said the 51 pct balance will continue to be owned by Malaysia Apera Group of private investors. The transaction is valued at approximately 37.8 mln dlrs and is expected to be completed by March 31, 1987.