Jan 25 (Reuters) - CME Group Inc:

* CME RAISES SOYBEAN FUTURES (S) MAINTENANCE MARGINS BY 1.7% TO $3,000 PER CONTRACT FROM $2,950 FOR MARCH 2021

* CME RAISES CORN FUTURES (C) MAINTENANCE MARGINS BY 7.7% TO $1,400 PER CONTRACT FROM $1,300 FOR MARCH 2021

* SAYS INITIAL MARGIN RATES ARE 110% OF THESE LEVELS

* SAYS RATES WILL BE EFFECTIVE AFTER THE CLOSE OF BUSINESS ON JAN. 26, 2021 (Reporting by Brijesh Patel in Bengaluru)