Publisher Activision today announced that its merger with Blizzard Entertainment parent company Vivendi Games has been approved by the board of shareholders, and the transaction is expected to officially close today, July the 9th. The new company, dubbed Activision-Blizzard, is valued at roughly US $18.9 billion.

Activision and Vivendi Games will combine their businesses through the merger of a newly formed, wholly-owned subsidiary of Activision with and into Vivendi Games. As a result of the merger, Vivendi Games, the parent company of Blizzard Entertainment and Sierra, will become a wholly-owned subsidiary of Activision. Vivendi will receive approximately 295.3 million newly issued shares of Activision common stock. Concurrently with the merger, Vivendi will purchase approximately 62.9 million newly issued shares of Activision common stock at a price of $27.50 per share for a total of approximately $1.7 billion in cash, resulting in a total Vivendi ownership stake in Activision Blizzard of approximately 52% on a fully diluted basis and approximately 54% of shares outstanding. As of the closing of the transaction, Activision will be renamed Activision Blizzard and will continue to operate as a public company traded on NASDAQ under the ticker ATVI.

Headquartered in Santa Monica, California, Activision Blizzard, Inc. is a worldwide pure-play online and console game publisher with leading market positions across all categories of the rapidly growing interactive entertainment software industry.