Buy One Get One FREE Uncle Ben’s Rice Coupon!September 11, 2010 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Here’s another great coupon! Currently, you can print a buy one get one FREE Uncle Ben’s Whole Grain White Rice coupon (up to $2.29)! Just enter promo code BOGOWGW when asked and you’ll be able to print the coupon.