Don’t worry, it exists, and with lining numerals, too (in addition to the oldstyle numerals you have in your sample) :)

http://www.myfonts.com/fonts/primetype/notes-soft/

It only matches your top (I think, can’t really tell) and middle samples, though. The bottom one is something else.

Hi Simon,
you can have PTL Notes Soft Tf (= Tabular figures).
F

The bottom one is something else.
Yeah, Notes Soft with a customised ‘I’.

The small cap ’I’ is actually without serifs, but I think Florian is right that they chopped them off the capital ’I’. Here’s the entire PTL Notes Soft family with all the variations.