- Sega is officially buying Angry Birds developer Rovio for $775 millionThe Verge
- Angry Birds: Sega agrees to buy video game maker RovioBBC
- ‘Angry Birds’ Maker’s Stock Soars on Bid From Sonic the Hedgehog’s Parent CompanyThe Wall Street Journal
- Sega is buying Angry Birds maker Rovio for $776 millionEngadget
- Sega to acquire Angry Birds maker Rovio for $776 millionCNBC