June 9 (Reuters) - American International Group Inc
* AIG announces pricing of the sale of common shares of arch capital group ltd.
* AIG - should underwriters exercise their option in full, aig would receive additional proceeds of approximately $89 million
* AIG - priced sale through an underwritten public offering of 6.4 million common shares of arch capital group ltd
* AIG says its remaining stake is subject to a lock-up that will expire on january 15, 2018
* AIG - aig will receive gross proceeds of approximately $590 million, based upon a price of $92.50 per share
* AIG - priced sale through an underwritten public offering of common shares of arch capital group ltd Source text for Eikon: Further company coverage: