Adjusted EBITDA increased by 128% or $66 million in the second quarter and more than doubled to $356 million in the first half.
Adjusted EBITDA margin was 17% in the quarter and 23% year-to-date, an increase of nearly 500 basis points versus last year.
Benefits and Insurance segment revenue was $102 million, up approximately 5%, with adjusted EBITDA up 21% and margin improving by 260 basis points.
Financial Services segment revenue was $570 million, up approximately 84%, with adjusted EBITDA more than doubling to $111 million and margin improving by 250 basis points.
Second quarter adjusted diluted earnings per share increased by 64% to $0.95 per share, and first half adjusted diluted earnings per share increased by 47% to $3.26 per share.
Second quarter interest expense was higher by $22 million compared to last year, driven by higher outstanding debt associated with the acquisition.
Second quarter revenue was $684 million, and first half revenue was $1.5 billion, a 63% and 66% increase, respectively, largely driven by the Marcum acquisition.
Second quarter tax expense was $7 million higher than last year, with an effective tax rate lower by approximately 240 basis points compared to last year.