−Removed: UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF
−Removed: unregistered securities were issued during the three months ended
−Removed: March 31, 2021 that were not previously
−Removed: reported. 
+Added: UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
+Added: No unregistered securities were issued during the three months ended June 30, 2021 that were not previously reported.
DEFAULTS UPON SENIOR SECURITIES
−Removed: other unregistered securities were issued during the three months
−Removed: ended March 31, 2021 that were not previously
−Removed: reported. 
+Added: No other unregistered securities were issued during the three months ended June 30, 2021 that were not previously reported.
MINE SAFETY DISCLOSURES
+Added: Not applicable.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.