Alleghany 2021 Full Year Performance Highlights
TransRe-Renewal Rate Change Estimates Remain Strong
Total Currently Estimated Rate Change (1) (%)
All Lines:
3%
4%
5%
3% 3%
2%
2018
12%
7%
13%
21% 20%
9%
8%
6%
3%
2019
Underwriting Year
■Traditional Casualty ■ Professional Liability
■ Other Property
12%
8%
7%
2020
14% 14%
10%
10%
9%
6%
2021
■Catastrophe Property
■ Other
(2)
Note: Based on data received from cedents as of December 31, 2021. Data excludes a certain large whole account quota share treaty.
(1) Estimated primary rate changes plus reinsurance rate changes on excess of loss treaties for the respective treaty year for all renewal treaties globally. Pro rata treaty
rate change data based on intermittently provided data from cedents and therefore reflected here with an estimated 6-month lag.
(2) Includes personal auto and various specialty lines.
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