The company offered 50 euros ($44.82) a share, representing a 21 percent premium over the stock's recent price.
That price, they said, represents a 12 to 14 percent premium over the average share price of the last six months.
That represents a 3.3 percent premium to its $34.98 closing price on Friday.
The price, $35.05 a share, represents a 29 percent premium to Friday's closing.
That represents a 9.25 percent premium over Panamsat's market value of $2.77 billion.
Analysts said that $50 a share represented a 20 percent premium over Friday's closing stock price of $42.
The price represents an 18 percent premium for Greenfield shareholders.
That represents a 30 percent premium since the company announced it would put itself up for sale in March.
The offer represents a 23 percent premium to the company's share price at the market's close Friday.
At the time, the $48-a-share offer represented a 38 percent premium over Willamette's stock price.
