Ad2One will sell a range of inventory, including in-game ads, as EA looks to ramp up its revenue from ad spend.
Pogo.co.uk has a different demographic from most gaming sites, according to online measurement firm comScore.
Women account for 55% of Pogo.co.uk's 1.3 million monthly unique users, who spend an average of 38 minutes a day on the site, according to comScore research.
As well as having a UK audience of 1.3 million, the site achieves worldwide figures of 13 million unique users a month and offers 80 free games, including puzzle and word games. The site hosts a community of games fans and is keen to extend the range of advertising currently on offer.