Stating you don't plan to increase prices means you are planning to increase prices, but you want to surprise people with it so they don't have time to find an

Stating you don't plan to increase prices means you are planning to increase prices, but you want to surprise people with it so they don't have time to find an alternative before their next renewal. You also get to control the PR narrative so the news of the price increase is separate from the news of the acquisition, and can lie to the government review board and say that the acquisition won't hurt customers.