Mr. and Mrs. Rob McCollum of Jonesboro have announced the upcoming marriage of their daughter, Katherine "Katie" Alice McCollum, to Mr. Michael Keith Prescott of Jonesboro, son of Mr. and Mrs. Robert Prescott of Ravenden.The bride-elect's grandparents are Mr. and Mrs. Bill Nix of Ash Flat and Mr. and Mrs. Robert McCollum of Newport. She is the great-granddaughter of Mrs. Kate McCollum of McCrory.She is a 2000 graduate of Nettleton High School and is a junior at Arkansas State University where she is majoring in nursing. She plans to be a certified registered nurse anesthetist.The prospective groom's grandparents are Mr. and Mrs. Charlie Breazeale of Marmaduke and Mrs. Marie Clowers of Lake Village and the late Kenneth Prescott. He is the great-grandson of Mrs. Helen Phillips of Paragould.He is a 2000 graduate of Highland High School and is employed at Pruitt's Auto Parts in Jonesboro.The wedding will be held at Mr. and Mrs. Bill Nix's residence in Ash Flat at 4:30 p.m. May 18. Keith's grandfather, Mr. Breazeale, will perform the wedding ceremony.A dinner and reception will follow immediately after the ceremony. All friends and relatives are invited.