read this paragraph
Zarlink said its board and its financial advisers had carefully reviewed Microsemi's previous offers — C$3 on May 20 and C$3.25 on June 17 — and unanimously concluded they significantly undervalued Zarlink and its future prospects. The company said Microsemi's latest offer doesn't change the board's position.
Read more at http://www.stockhouse.com/bullboards/messagedetail.aspx?p=0&m=32667493&l=0&r=0&s=opl&t=list#xSE78A6Yd3sWus9M.9
If OPL is in receipt of an offer this is what should be done