PotNetwork Holding, Inc. announced that its subsidiary, Diamond CBD, Inc., had entered into an exclusive agreement with Exponential, Inc. Diamond CBD, selected as the exclusive XPO2 CBD product supplier, will be providing all 18 of its top quality CBD brands to XPO2’s extensive network of hundreds of major participating online merchants including Best Buy, Walmart, eBay, Groupon, Macy's, Skechers, Nike, Staples, and many other online industry leaders.