Triangle Industries Inc said it begana previously announced offer to exchange one share of Triangle
common stock for each share of participating preferred stock.
    The offer will expire April 21.
    Triangle said that sales in 1987 will exceed four billion
dlrs.
    For the year ended December 31, 1986, Triangle reported
sales of 2.7 billion dlrs and net income of 47.6 mln dlrs.

 Reuter
