Annett spent last season with Rusty Wallace, Inc. He had 13 top-10 finishes and was ninth in the final championship standings. RWI announced earlier this month it does not have the sponsorship to race this season.
RPM fields cars in the elite Sprint Cup Series for Aric Almirola and Marcos Ambrose.
Annett began racing in the ARCA Series in 2007 and won at Talladega in only his fourth start. He moved to the Nationwide Series in 2009 with Germain Racing and spent two seasons there before joining RWI.
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