Disaster Recovery in the Cloud

2. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. International Securities Exchange Founded in 1997 Offers investors efficient and transparent marketplaces for price and liquidity discovery Options on over 2,000 underlying equity, ETF, index and FX products Member-owner of the Options Clearing Corporation (OCC) 143 different members combine for an average daily volume of 2.4 million contracts Regulated by the Securities and Exchange Commission (SEC) Launched third options exchange, ISE Mercury, in February 2016 The first all-electronic options exchange in the US, launched in May 2000 ISE Holdings was the first U.S. securities exchange to go public in March 2005 The first regulated exchange to launch a production Disaster Recovery in the Cloud

3. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Competitive Landscape U.S. options market environment: 14 current exchanges At least one additional planned for 2016 Differentiation driven by: Market structure Pricing model Technology platform Functionality

4. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Faster time to market Higher quality Better time to resolution Reduce human error Eliminate redundancies Quicker & more reliable fallback Enhanced business efficiency Continuous Improvement

8. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Rising to the Challenge Needed to be robust and resilient with 2 hour resumption of trading Looked at multiple options: Build new redundant environment Small cloud or Big Cloud ISE decided on a different path…

9. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Out-of-Region Disaster Recovery Solution Utilizes a small footprint in Chicago datacenter for member firm and market data connectivity Core trading system and all the supporting applications in AWS - U.S. West (Oregon) Includes multiple cloud-based virtual servers and terabytes of cloud-based storage Member connectivity and market data feed handling appliance at the Chicago data center

10. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Benefits and Solution Quick member provision Physical connectivity to cloud service providers Physical connectivity to market data Limits management of physical infrastructure Ability to add capacity if necessary Mobility of virtual cloud infrastructure to other regions

13. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Invisible Infrastructure AWS provides elastic compute and storage CoreOS provides system security and reliable updates Docker containers for isolation, reliability, and time to market Weave enables multicast in the cloud ISE multicast proxy connects market data feeds across data centers Terraform provides cloud-agnostic infrastructure Duo Security provides two-factor authentication Open-source tools provide data sync to S3

18. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Disaster Recovery in the Cloud - Delivered Utilizes a small footprint in Chicago data center for member firm and market data connectivity Core trading system and all the supporting applications in AWS - U.S. West (Oregon) Includes multiple cloud-based virtual servers and terabytes of cloud-based storage Member connectivity and market data feed handling appliance at the Chicago data center

19. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Broader Outcomes of Our Journey Fully automated configuration and orchestration Build, test, deploy pipeline begins with code check-in Rapid, continuous delivery Run workloads across any infrastructure Launched new markets with no additional headcount Overall IT spend reduced more than 35% since 2011