The Japanese firm said its US-based Sony Pictures Entertainment (SPE) subsidiary will not have time to put together its financial statements after the attack, linked to its controversial North Korea satire "The Interview," which has been widely blamed on Pyongyang.
The Tokyo-based firm, which was due to publish its earnings for the fiscal third quarter on February 4, said the hack attack was unlikely to have a material impact on its financial results.
The company said it still planned to issue a press release and hold an earnings conference on the originally scheduled date.
This was to provide updated forecasts of its results "to the extent reasonably possible, based on the information available on that date".
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Threats made by hackers prompted Sony to initially cancel its theatrical release. It was eventually screened in select arthouse cinemas, and released on the Internet and via cable TV providers.
"The Interview," which had a USD 44 million budget, has since become Sony's highest-grossing online film ever, reportedly making more than USD 40 million on the Internet and other small-screen formats.
The cyberattack caused "a serious disruption of SPE's network systems... Including the destruction of network hardware and the compromise of a large amount of data," Sony said, adding that it was forced to shut down its entire network after the hack.
The company said its film unit has since "worked aggressively" to restore those systems.