What changed 10-K

Item 3. Legal Proceedings

2021-05-12 compared with 2020-05-27 · 1 added, 0 removed, 11 unchanged (8% of the section changed)

7 unchanged sentences

Any failure to obtain a necessary license or other rights, or litigation arising out of intellectual property claims, could adversely affect our business.

As a result of amendments to Regulation S-K disclosure requirements related to environmental proceedings to which the government is a party and such proceedings involve potential monetary sanctions, we selected the quantitative threshold of $1.0 million.

MINE SAFETY DISCLOSURES

2 unchanged sentences

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.