The England Under-21 international completed a move from Norwich to the King Power Stadium in 2018 and enjoyed a superb debut season in the Premier League, contributing seven goals and seven assists in 36 matches.
The 22-year-old also managed to create 100 goalscoring chances for his team-mates in total, which was more than any other player managed in the top flight.
Manchester United are the favourites to land the Foxes playmaker in the summer window, with his current market value reportedly set at around £60 million ($76m).
Ahead of England's U21 European Championships campaign, Maddison was asked if he has been affected by swirling transfer rumours, to which he offered a defiant response.
"No, you have just got to ignore that and take it all in your stride," he told Sky Sports .
"With transfer talk, you need to take it as a compliment that people are even talking about you, it won't distract me."
Aidy Boothroyd's England youngsters begin their quest for Euro 2019 glory with a clash against France on Tuesday night.
Croatia and Romania have also been drawn in Group C, with the Three Lions among the favourites to win this year's competition in Italy .
Maddison insists he is not dwelling on his senior squad snub and hopes to be an influential figure in the dressing room as the tournament progresses.
"I am never going to be disappointed representing the U21s with my country, I am excited and proud that I'm here," he added.
"I feel like I'm a much more experienced player now on and off the pitch, I look around at lunch and think me and Demarai [Gray] are the old men here!
"There are little things I can help those younger lads with and in terms of game management.
"I have played over 150 games now at club level, I definitely think I'm a more senior professional now.
"The lads always mention the U20 World Cup win because it's such a good highlight, but I've never been involved in a tournament
"It's brilliant to hear about the likes of Foden talking about their U17 win, and I want to be talking about a European Championship win in a month's time.
"I can't wait to get out there and showcase what I can bring to this team, the winning mentality is going to be important."