Yes, you need. After registering in mcmexpostore.com, you can enjoy the following benefits: 1. Receive new information of MCM Expo Store Promo Codes; 2. Learn about the latest offers and event information of MCM Expo Store by email; 3.Subscribe to MCM Expo Store and get to know the latest information of the new MCM Expo Store's products. 4. Accumulate consumption points which can be exchanged for gifts or discounts at MCM Expo Store.