| Change Control Event | Upgrade the ESSO Production backend to the 7.9 HF5 client in preparation for the New Epic Hyperdrive | Change Control Event | Upgrade the ESSO Production backend to the 7.9 HF5 client in preparation for the New Epic HyperdriveCHG0067801 – Upgrade the ESSO Production backend to the 7.9 HF5 client in preparation for the New Epic Hyperdrive