Since December 31, 2017, there shall have been no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect.

Since December 31, 2017 there has been no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect.

Since December 31, 2018, there shall not have occurred any event, condition or occurrence that has had, or is reasonably expected to have, a Material Adverse Effect.

Since December 31, 2015, there shall not have occurred any event or condition that has had or would reasonably be expected to have a Material Adverse Effect.

Since December 31, 2018, there has been no event or circumstance, either individually or in the aggregate, that has had or would reasonably be expected to have a Material Adverse Effect.

Since December 31, 2022, there has been no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect.

Since December 31, 2015, there has been no event or circumstance, either individually or in the aggregate, that has had or would reasonably be expected to have a Material Adverse Effect.

Since December 31, 2014, there has been no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect.

Since December 31, 2015, no event, development or circumstance exists or has occurred that has had or could reasonably be expected to have a Material Adverse Effect.

Since December 31, 2019, there has been no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect.