EXHIBIT 4.6 FORM OF CLASS A COMMON STOCK PURCHASE OPTION THE REGISTERED HOLDER OF THIS OPTION BY ITS ACCEPTANCE HEREOF, AGREES THAT IT WILL NOT SELL, ASSIGN, PLEDGE, HYPOTHECATE OR OTHERWISE TRANSFER THIS OPTION EXCEPT AS HEREIN PROVIDED. THIS OPTION...Class a Common Stock Purchase Option • October 1st, 1997 • Flex Acquisition Corp • Short-term business credit institutions • Texas
