. 2022 the other major asbestos defendants subcategory represents insureds included in tiers 1 and 2 , as defined by tillinghast that are not wellington signatories and have not entered into structured settlements with the hartford . the tier 1 and 2 classifications are meant to capture the insureds for which there is expected to be significant exposure to asbestos claims . 2022 accounts with future expected exposures greater or less than $ 2.5 include accounts that are not major asbestos defendants