For anyone interested.. the raw scores required for an age expected score (100 and above scaled score) are on this link, published today
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1087928/2022_key_stage_2_scaled_score_tables.pdf
The Reading paper was down to 24 out of 50 raw score for a age expected .. that definitely lower than previous years.. backs up the feedback that it was a challenging paper. Waiting for my sons results from school later this week..