Net income (loss) (numerator):

Net income (loss) attributable to Concrete Pumping Holdings, Inc.

Less: Accretion of liquidation preference on preferred stock

Less: Undistributed earnings allocated to participating securities

Net income (loss) attributable to common stockholders (numerator for basic earnings per share)

Add back: Undistributed earning allocated to participating securities

Less: Undistributed earnings reallocated to participating securities

Numerator for diluted earnings (loss) per share

Weighted average shares (denominator):

Weighted average shares - basic

Weighted average shares - diluted

Basic earnings (loss) per share

Diluted earnings (loss) per share