Dear Participants to Diffraction 2012, this is the fourth circular of the Workshop DIFFRACTION 2012: International Workshop on Diffraction in High-Energy Physics, to be held in Puerto del Carmen, Lanzarote (Canary Islands, Spain), September 10-15, 2012, web site http://www.cs.infn.it/diff2012. - A few days are left before the deadline for abstract submissions, so please hurry up to submit your talk, if you haven't done it yet; in case you're experiencing troubles with the submission through Indico, please send title and abstract of your talk at diff2012@cs.infn.it; - There was a misunderstanding with the hotel about the rates; the correct prices, including food and beverages, are the following 81.40 Euro/person/day for a single use of a double room 56.40 Euro/person/day for a double room Each participant must reserve the room himself within August 15, by filling in the form available at http://www.cs.infn.it/diff2012/accommodation.html and sending it by fax or e-mail to the hotel management; for later reservations the accommodation will not be guaranteed. - We remind you that July 31 is also the deadline for the reduced-fee payment; moreover, payments before the arrival to Lanzarote should be made by bank transfer, while on site registrations can be paid only in cash (NO CREDIT CARDS). - To organize transfers from/to the airport of Lanzarote and the hotel we need your travel data. So please send at diff2012@cs.infn.it an e-mail with subject "travel", containing, WHEN DEFINITIVE, * arrival date/time * number and origin of the last flight to Lanzarote * departure date/time * number of accompanying persons We need this information not later than August 31. Best regards, Alessandro Papa ############################################################### ADDRESS FOR CORRESPONDENCE TO LOCAL ORGANIZING COMMITTEE DIFFRACTION 2012 c/o Agustin Sabio Vera Instituto de Fisica Teorica C/ Nicolas Cabrera 13-15 Universidad Autonoma de Madrid Cantoblanco, 28049 Madrid Spain Phone: +34 91 299 9842 E-mail: diff2012 --at-- cs.infn.it or DIFFRACTION 2012 c/o Alessandro Papa Dipartimento di Fisica, Universita` della Calabria Ponte Bucci, cubo 31C I-87036 Arcavacata di Rende (Cosenza) Italy Phone: +39 0984 496015 (or 496018) Fax: +39 0984 494401 E-mail: diff2012 --at-- cs.infn.it