There have been reports that the 28-year-old German, who joined the new team from Toyota at the end of 2009, wanted to leave Virgin who finished their debut season in 12th and last place, without a single point.But Glock told the team's website: "I am definitely driving for Virgin Racing.
"There has been a lot of speculation about me wanting to leave the team, but it is not about leaving a team, it is about wanting to do better and keep moving forward.
"It is not just 99.9 percent certain that I will stay, as has been reported - it is 100 percent certain that I am staying.
"I think with everything we have learned this year we can take a very good step up next season.
"This is a great team of people who have given blood, sweat and tears to our first season. Some people haven't seen that with their own eyes, like I have, so it's easy to criticise or be cynical."
Glock's team-mate this year was Brazilian Lucas di Grassi and the team are now considering their options for the second seat.
And although the German wasn't forthcoming with any names, he did reveal that an announcement could be made before the end of the year.
"I think it is right to take our time and make sure we have the best combination of youth and experience, plus make sure we have the best information going back into the team at testing and races to ensure we can develop as quickly as we want to and keep moving forward," he said.
"I don't think we will have to wait too much longer for that news - hopefully before Christmas!"
Source: Planet-F1
