<span style=" font-size:10pt;font-family:sans-serif">Dear All,</span>
<br>
<br><span style=" font-size:10pt;font-family:sans-serif">the above mentioned
blue book was reconfirmed until Oct 2021. Therefore, please consider checking
it next year in view of the decision to further reconfirm it or update
it as needed.</span>
<br>
<br><span style=" font-size:10pt;font-family:sans-serif">Best Regards,
Enrico</span>
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