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## Table of Contents 

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During the second quarter of 2019, the Company recorded a charge of $197 for intangible asset impairments associated with the Disks long-lived asset group which was recorded in Restructuring and other charges in the accompanying Statement of Consolidated Operations. See Note O  for additional details. 

Computer software consists primarily of software costs associated with enterprise business solutions across Howmet's businesses. 

Amortization expense related to the intangible assets recorded in Provision for depreciation and amortization in the accompanying Statement of Consolidated Operations was $40, $58, and $58 for the years ended December 31, 2020, 2019, and 2018 respectively, and is expected to be in the range of approximately $37 to $43 annually from 2021 to 2025. 

## Q. Leases 

Operating lease cost, which included short-term leases and variable lease payments and approximated cash paid, was $67, $84, and $87 in 2020, 2019, and 2018, respectively. 

Operating lease right-of-use assets and lease liabilities in the Consolidated Balance Sheet were as follows: 

<img src='content_image/1026536.jpg'>

Future minimum contractual operating lease obligations were as follows at December 31, 2020: 

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